GB/T standards: GB/T 1819.8-2017 to GB/T 3780.7-2025

500 standards in English, in code order.

1. GB/T 1819.8-2017Methods for chemical analysis of tin concentrates - Part 8: Determination of zinc content - Flame atomic absorption spectrometric method$90.00
2. GB/T 1819.9-2017Methods for chemical analysis of tin concentrates—Part 9: Determination of tungsten trioxide content—The thiocyanate spectrophotometric method$90.00
3. GB/T 1838-2008Test methods for the tin coating mass of electrolytic tinplate$269.00
4. GB/T 1839-2025Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products$245.00
5. GB/T 1840-1989Modules of cylindrical gear with circular arc profiles$60.00
6. GB/T 1844.2-2022Plastics - Symbols and abbreviated terms - Part 2: Fillers and reinforcing materials$80.00
7. GB/T 1844.3-2022Plastics - Symbols and abbreviated terms - Part 3: Plasticizers$245.00
8. GB/T 1845.2-2021Plastics - Polyethylene (PE) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties$245.00
9. GB/T 1853-2008Marine flanged cast steel overboard stop check valve$110.00
10. GB/T 1859.4-2017Reciprocating internal combustion engines - Measurement of sound power level using sound pressure - Part 4: Survey method for use in situ$300.00
11. GB/T 1866-2012Neutral dyes - Determination of dyeing shade and relative strength$130.00
12. GB/T 1867-2017Vat blue RSN (C.I. Vat blue 4)$120.00
13. GB/T 1871.5-2022Determination of magnesium oxide content for phosphate rock and concentrate—Flame atomic absorption spectrometry, volumetry and inductively coupled plasma optical emission spectrometry$215.00
14. GB/T 1876-1995Phosphate rock and concentrate--Determination of carbon dioxide content--Gasometric method$135.00
15. GB/T 1877-1995Phosphate rock and concentrate--Determination of manganese oxide content--Spectrophotometric and volumetric methods$105.00
16. GB/T 1881-1995Phosphate rock and concentrate--Determination of strontium oxide content--Flame atomic absorptionspectrometric method$85.00
17. GB/T 1910-2015Newsprint$90.00
18. GB/T 1912-2018Bible paper$80.00
19. GB/T 1914-2017Chemical analytical filter paper$210.00
20. GB/T 1918-2021Potassium nitrate for industrial use$215.00
21. GB/T 1919-2023Potassium hydroxide for industrial use$310.00
22. GB/T 1921-2025Specification for industrial boilers$545.00
23. GB/T 1926-2026Technical furfural$425.00
24. GB/T 1926.1-2009Technical furfural$110.00
25. GB/T 1927.1-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 1: Collection of sample tree$155.00
26. GB/T 1927.10-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 10: Determination of modulus of elasticity in bending$155.00
27. GB/T 1927.11-2022Test methods for physical and mechanical properties of small clear wood specimens - Part 11: Determination of ultimate stress in compression parallel to grain$150.00
28. GB/T 1927.12-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 12: Determination of strength in compression perpendicular to grain$170.00
29. GB/T 1927.13-2022Test methods for physical and mechanical properties of small clear wood specimens—Part 13:Determination of the modulus of elasticity in compression perpendicular to grain$160.00
30. GB/T 1927.14-2022Test methods for physical and mechanical properties of small clear wood specimens - Part 14: Determination of tensile strength parallel to grain$160.00
31. GB/T 1927.15-2022Test methods for physical and mechanical properties of small clear wood specimens - Part 15: Determination of tensile strength perpendicular to grain$140.00
32. GB/T 1927.16-2022Test methods for physical and mechanical properties of small clear wood specimens - Part 16: Method of testing in shearing strength parallel to grain of wood$170.00
33. GB/T 1927.17-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 17: Determination of impact bending strength$95.00
34. GB/T 1927.18-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 18: Determination of resistance to impact indentation$155.00
35. GB/T 1927.19-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 19: Determination of static hardness$110.00
36. GB/T 1927.2-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 2: Sampling methods and general requirements$155.00
37. GB/T 1927.20-2021Test methods for physical and mechanical properties of small clear wood specimens—Part 20: Determination of cleavage strength$80.00
38. GB/T 1927.21-2022Test methods for physical and mechanical properties of small clear wood specimens - Part 21: Determination of nail and screw holding power$155.00
39. GB/T 1927.3-2021Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood$80.00
40. GB/T 1927.4-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 4: Determination of moisture content$155.00
41. GB/T 1927.5-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 5: Determination of density$155.00
42. GB/T 1927.6-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 6: Determination of shrinkage$155.00
43. GB/T 1927.7-2021Test methods for physical and mechanical properties of small clear wood specimens—Part 7: Determination of water absorption$80.00
44. GB/T 1927.8-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 8: Determination of swelling$110.00
45. GB/T 1927.9-2021Test methods for physical and mechanical properties of small clear wood specimens - Part 9: Determination of bending strength$110.00
46. GB/T 1955-2019Construction winch$540.00
47. GB/T 1958-2017Geometrical Product Specifications(GPS)—Geometrical tolerance—Verification$1,380.00
48. GB/T 1962.2-2001Conical fittings with a 6 %(Luer) taper for syringes, needles and certain other medical equipment - Part 2: Lock fittings$50.00
49. GB/T 1964-2023Porous ceramics—Test method for compressive strength at room temperature$110.00
50. GB/T 1966-2024Porous ceramics - Determination of apparent porosity and bulk density$180.00
51. GB/T 1969-2026Test method for the permeability of porous ceramics$140.00
52. GB/T 1971-2021Rotating electrical machines - Terminal markings and direction of rotation$425.00
53. GB/T 1972.2-2023Disc springs - Part 2: Technical specifications$545.00
54. GB/T 1973.1-2021Small cylindrical springs—Part 1: Technical specification$215.00
55. GB/T 1973.2-2025Small cylindrical helical springs — Part 2: Dimension and parameters — Extension springs$665.00
56. GB/T 1973.3-2025Small cylindrical helical springs — Part 3: Dimension and parameters — Compression springs$365.00
57. GB/T 1985-2023High-voltage alternating current disconnectors and earthing switches$1,265.00
58. GB/T 1992-2023Freight container vocabulary$365.00
59. GB/T 1996-2017Coke for metallurgy$80.00
60. GB/T 2001-2013Coke-Determination of proximate analysis$70.00
61. GB/T 2015-2017White Portland cement$130.00
62. GB/T 2018-2011Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape$260.00
63. GB/T 2031-2018Marine fire coupling$190.00
64. GB/T 2032-2018Marine flanged fire hydrants$170.00
65. GB/T 2033-2026Livestock and poultry breeds (synthetic lines) - Tan sheep$305.00
66. GB/T 2040-2017Copper and copper alloy sheet$110.00
67. GB/T 2054-2023Nickel and nickel alloy plate and sheet$245.00
68. GB/T 2059-2017Copper and copper alloy strip$95.00
69. GB/T 2072-2020Nickel and nickel alloy strip and foil$120.00
70. GB/T 2076-2021Indexable inserts for cutting tools - Designation$425.00
71. GB/T 2078-2019Dimensions of indexable hard metal (carbide) inserts with rounded corners, with cylindrical fixing hole$240.00
72. GB/T 2081-2018Indexable hard metal (carbide) inserts with wiper edges, without fixing hole -- Dimensions$240.00
73. GB/T 2085.1-2026Aluminium powder - Part 1: Air atomized aluminium powder$305.00
74. GB/T 2085.2-2019Aluminium powder—Part 2: Inflammable fine aluminium powder$150.00
75. GB/T 2099.1-2021Plugs and socket-outlets for household and similar purposes - Part 1: General requirements$790.00
76. GB/T 2099.10-2026Plugs and socket-outlets for household and similar purposes - Part 10: Particular requirements for plugs and socket-outlets applicable to the Hong Kong Special Administrative Region$560.00
77. GB/T 2099.3-2022Plugs and socket-outlets for household and similar purposes - Part 2-5: Particular requirements for adaptors$575.00
78. GB/T 2099.9-2017Plugs and socket-outlets for household and similar purposes—Part 2-9: Particular requirements for socket-outlets for information$420.00
79. GB/T 2101-2017General requirment of acceptance, packaging, marking and certification for section steel$50.00
80. GB/T 2102-2022Acceptance, packaging, marking and quality certification for steel tubular products$155.00
81. GB/T 2104-2025General rules for the packing, marking and quality certificates of steel wire ropes$155.00
82. GB/T 2261.1-2003Classification and codesof basic personal information--Part 1: Codes for sexual distinction of human$60.00
83. GB/T 2261.4-2003Classificationand codes of basic personal information--Part 4: Codes for state of employment$75.00
84. GB/T 2261.5-2003Classification and codes of basic personal information--Part 5: Codes for relatives of Hong kong, Macao, Taiwan compatriot or Overseas Chinese$60.00
85. GB/T 2272-2020Ferrosilicon$155.00
86. GB/T 2273-2007Sintered magnesia$70.00
87. GB/T 2275-2017Magnesia and magnesia-alumina bricks$80.00
88. GB/T 2279-2008Coking cresol$74.00
89. GB/T 2281-2008Determination of density of coking oil products$114.00
90. GB/T 2282-2022Method for measuring distillation range of coking light oil products$245.00
91. GB/T 2283-2019Coking benzene$110.00
92. GB/T 2284-2009Coking tolouenl$70.00
93. GB/T 2285-2018Coking xylene$65.00
94. GB/T 2286-2017Determination of total sulfur composition of coke$210.00
95. GB/T 2290-2012Coal tar pitch$70.00
96. GB/T 2291-2016Method for preparation of coal tar pitch specimens$90.00
97. GB/T 2292-2018Determination of toluene insoluble content for coking products$110.00
98. GB/T 2293-2019The method of quinoline-insolube for pitch products of coal carbonization$70.00
99. GB/T 2294-2019Determination of softening point in solid products of coal carbonization$210.00
100. GB/T 2295-2008Determination of the ash content of coking solid products$70.00
101. GB/T 2296-2025Designation for photovoltaic cells and modules$155.00
102. GB/T 2315-2017Specified failure load series and coupling dimensions for electric power fittings$150.00
103. GB/T 2348-2018Fluid power systems and components -- Cylinder bores and piston rod diameters$100.00
104. GB/T 2350-2020Fluid power systems and components - Cylinder piston rod thread types and dimensions$140.00
105. GB/T 2351-2021Fluid power systems and components - Outside diameters of tubes and inside diameters of hoses$95.00
106. GB/T 2363-2025Accuracy of fine-pitch involute cylindrical gears$320.00
107. GB/T 2374-2017Dyestuffs - General rules for the dyeing test$110.00
108. GB/T 2378-2025Acid dyes — Determination of shade and relative strength$200.00
109. GB/T 2379-2020Acid complex dyes—Determination of shade and relative strength$95.00
110. GB/T 2384-2021Dyes intermediates—General method for the determination of melting range$110.00
111. GB/T 2387-2025Reactive dyes — Determination of shade and relative strength$260.00
112. GB/T 2391-2024Reactive dyes - Determination of degree of fixation$140.00
113. GB/T 2394-2024Disperse dyestuffs - Determination of shade and relative strength$180.00
114. GB/T 2401-2025Cationic dyes — Determination of fibre saturation value, dye saturation value and saturation factor in acrylic dyeing$200.00
115. GB/T 2404-2023Chlorobenzene$150.00
116. GB/T 2406.3-2022Plastics - Determination of burning behaviour by oxygen index - Part 3: Elevated-temperature test$335.00
117. GB/T 2408-2021Plastics - Determination of burning characteristics - Horizontal and vertical test$350.00
118. GB/T 2414.2-2025Test methods for the properties of piezoelectric ceramics — Transverse length extension vibration mode for bar$365.00
119. GB/T 2415-2026Livestock and poultry breeds (synthetic lines) - Nanyang cattle$200.00
120. GB/T 2418-2026Livestock and poultry breeds (synthetic lines) - Neijiang pig$260.00
121. GB/T 2419-2005Test method for the fluidity of cement mortar$30.00
122. GB/T 2421-2020Environmental testing - General and guidance$390.00
123. GB/T 2423.10-2019Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)$310.00
124. GB/T 2423.101-2025Environmental testing - Part 2: Test methods - Test: Inclinations and swings$305.00
125. GB/T 2423.16-2022Environmental testing - Part 2: Test methods - Test J and guidance: Mould growth$365.00
126. GB/T 2423.17-2024Environmental testing - Part 2: Test methods - Test Ka: Salt mist$365.00
127. GB/T 2423.18-2021Environmental testing - Part 2: Test methods - Test Kb: Salt mist, cyclic (sodium chloride solution)$210.00
128. GB/T 2423.22-2012Environmental testing - Part 2: Test methods - Test N: Change of temperature$290.00
129. GB/T 2423.27-2020Environmental testing - Part 2: Test methods - Test method and guidance: Combined temperature or temperature and humidity with low air pressure tests$245.00
130. GB/T 2423.33-2021Environmental testing—Part 2: Test methods—Test Kca: High concentration sulfur dioxid$160.00
131. GB/T 2423.35-2019Environmental testing - Part 2: Tests and guidance - Combined climatic (temperature / humidity) and dynamic (vibration / shock) tests$245.00
132. GB/T 2423.38-2021Environmental testing - Part 2: Test methods - Test R: Water test method and guidance$620.00
133. GB/T 2423.39-2018Environmental testing - Part 2: Test methods - Test Ee and guidance: Loose cargo testing including bounce$245.00
134. GB/T 2423.47-2018Environmental testing - Part 2: Test methods - Test Fg: Acoustic vibration$305.00
135. GB/T 2423.48-2018Environmental testing - Part 2: Test methods - Test Ff: Vibration - Time-history and sine-beat method$545.00
136. GB/T 2423.5-2019Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock$365.00
137. GB/T 2423.51-2020Environmental testing - Part 2: Test methods - Test Ke: Flowing mixed gas corrosion test$245.00
138. GB/T 2423.54-2022Environmental testing—Part 2: Test methods—Test Xc: Fluid contamination$235.00
139. GB/T 2423.56-2023Environmental testing - Part 2: Test methods - Test Fh: Vibration, broadband random and guidance$545.00
140. GB/T 2423.61-2018Environmental testing—Part 2:Test methods—Test and guidance:Dust and sand test for large specimen$215.00
141. GB/T 2423.62-2018Environmental testing—Part 2:Test motheds—Test Fx and guidance:Mulit input mulit output vibration test$790.00
142. GB/T 2423.63-2019Environmental testing—Part 2:Test methods—Test: combined temperature(cold and heat)/low air pressure/vibration (mixed mode)$245.00
143. GB/T 2423.64-2023Environmental testing - Part 2: Test methods - Test Fj: Vibration - Long time history replication$295.00
144. GB/T 2423.65-2024Environmental testing - Part 2: Test methods - Combined salt mist, temperature, humidity and solar radiation test$305.00
145. GB/T 2423.66-2025Environmental testing — Part 2: Test methods — Test: Combined temperature/humidity/static load$245.00
146. GB/T 2423.67-2026Environmental testing — Part 2: Test methods — Test Kf: Salt mist with controlled humidity$305.00
147. GB/T 2423.68-2026Environmental testing — Part 2: Test methods — Test: Icing and melting cycle test$305.00
148. GB/T 2423.7-2018Environmental testing - Part 2: Test methods - Test Ec: Rough handling shocks, primarily for equipment-type specimens$215.00
149. GB/T 2424.10-2012Environmental testing - General guidance of accelerated testing for atmospheric corrosion$130.00
150. GB/T 2424.11-2013Environmental testing -- Part 2: Test methods -- Guidance to test Kc: Sulphur dioxide test for contacts and connections$140.00
151. GB/T 2424.5-2021Environmental testing - Part 3: Supporting documentation and guidance - Confirmation of the performance of temperature chambers$245.00
152. GB/T 2424.6-2021Environmental testing - Part 3: Supporting documentation and guidance - Confirmation of the performance of temperature/humidity chambers$260.00
153. GB/T 2426-2026Livestock and poultry breeds (synthetic lines) — Xinjiang fine-wool sheep$110.00
154. GB/T 2428-2024Head-face dimensions of adults$230.00
155. GB/T 2440-2017Urea$130.00
156. GB/T 2441.6-2010Determination of urea - Part 6: Water insoluble matter content - Weight method$110.00
157. GB/T 2441.7-2010Determination of urea - Part 7: Particle size - Sieve method$70.00
158. GB/T 2441.8-2010Determination of urea - Part 8: Sulphate content - Visible turbidimetric method$70.00
159. GB/T 2441.9-2010Determination of urea - Part 9: Methylenediurea content - Spectrophotometric method$90.00
160. GB/T 2449.1-2021Sulphur for industrial use—Part 1: Solid product$335.00
161. GB/T 2449.2-2015Sulphur for industrial use—Part 2: Liquid product$70.00
162. GB/T 2476-2025Conventional abrasive — Symbols$125.00
163. GB/T 2478-2022Conventional abrasive—Brown fused alumina$110.00
164. GB/T 2479-2022Conventional abrasive—White fused alumina$110.00
165. GB/T 2480-2022Conventional abrasive—Silicon carbide$80.00
166. GB/T 2481.2-2020Bonded abrasives - Determination and designation of grain size distribution - Part 2: Microgrits$425.00
167. GB/T 2490-2018Bonded abrasive products—Hardness grade measurement$150.00
168. GB/T 2493-2023Test method for rotating strength of abrasive products$245.00
169. GB/T 2495-2017Bonded abrasive products—Packing$150.00
170. GB/T 2497-2023Charge air coolers for marine diesel engines$275.00
171. GB/T 2518-2019Continuously hot-dip zinc and zinc alloy coated steel sheet and strip$350.00
172. GB/T 2520-2017Cold-reduced electrolytic tinplate$135.00
173. GB/T 2520-2026Cold-reduced electrolytic tinplate$1,190.00
174. GB/T 2522-2026Methods of measurement of the coating insulation resistance and coating adhesion of electrical steel strip and sheet$200.00
175. GB/T 2523-2022Measuring methods for the surface roughness, peak count and waviness of cold-rolled metal sheet and strip$245.00
176. GB/T 2524-2019Titanium sponge$210.00
177. GB/T 2526-2020Gadolinium oxide$95.00
178. GB/T 2532-2014Brass strip for heat-exchanger water tank and header$130.00
179. GB/T 2539-2023Determination of melting point of petroleum waxes—Cooling curve method$150.00
180. GB/T 2546.1-2022Plastics - Polypropylene (PP) moulding and extrusion materials - Part 1: Designation system and basis for specifications$215.00
181. GB/T 2546.2-2022Plastics - Polypropylene(PP) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties$215.00
182. GB/T 2547-2026Plastics — Sampling methods$260.00
183. GB/T 2550-2025Gas welding equipment - Rubber hoses for welding, cutting and allied processes$305.00
184. GB/T 2559-2005Analysis of lignite wax$445.00
185. GB/T 2577-2005Test method for resin content of glass fiber reinforced plastics$80.00
186. GB/T 2585-2021Hot-rolled steel rails for railway$920.00
187. GB/T 2589-2020General rules for calculation of the comprehensive energy consumption$140.00
188. GB/T 2608-2025Silica refractory bricks$170.00
189. GB/T 2611-2022Testing machines - General requirements$155.00
190. GB/T 2614-2010Nickel-Chromium/Nickel-Silicon thermocouple wires$290.00
191. GB/T 2651-2023Destructive tests on welds in metallic materials - Transverse tensile test$185.00
192. GB/T 2652-2022Destructive tests on welds in metallic materials - Longitudinal tensile test on weld metal in fusion welded joints$110.00
193. GB/T 2659.1-2022Codes for the representation of names of countries and their subdivisions - Part 1: Country code$890.00
194. GB/T 2659.2-2022(Codes of names of countries and regions and their administrative divisions in the world - Part 2: Codes of administrative divisions)$3,355.00
195. GB/T 2660-2017Shirts and blouses$58.00
196. GB/T 2662-2017Clothes with fillings$50.00
197. GB/T 2664-2017Men's suits and coats$60.00
198. GB/T 2664-2026Men's suits and coats$260.00
199. GB/T 2665-2017Women's suits and coats$438.00
200. GB/T 2665-2026Women's suits and coats$260.00
201. GB/T 2666-2017Trousers$140.00
202. GB/T 2666-2026Trousers$260.00
203. GB/T 2667-2017Specifications for shirts and blouses$140.00
204. GB/T 2668-2017Specifications for single，layer apparels and clothing sets$240.00
205. GB/T 2670.1-2017Hexalobular socket pan head tapping screws$90.00
206. GB/T 2670.2-2017Hexalobular socket countersunk head tapping screws$60.00
207. GB/T 2671.1-2017Hexalobular socket cheese (short) head screws$90.00
208. GB/T 2671.2-2017Hexalobular socket head cap screws$150.00
209. GB/T 2672-2017Hexalobular socket pan head screws$70.00
210. GB/T 2673.2-2020Hexalobular socket high countersunk head screws$110.00
211. GB/T 2674-2017Hexalobular socket raised countersunk head screws$90.00
212. GB/T 2675-2017Map paper$90.00
213. GB/T 2678.1-2026Pulps - Determination of screened components$200.00
214. GB/T 2678.2-2021Paper, board and pulps - Determination of water-soluble chlorides$215.00
215. GB/T 2678.6-2023Paper, board and pulp - Determination of water-soluble sulfates$230.00
216. GB/T 2679.1-2020Paper--Determination of transmittance--Diffuse reflectance measurement$155.00
217. GB/T 2679.14-2026Paper and board - Determination of pore diameter$185.00
218. GB/T 2680-2021Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors$425.00
219. GB/T 2684-2025Test methods for foundry sands and molding mixtures$425.00
220. GB/T 2688-2012Plain bearings - Technical specification for powder metallurgy bearings$120.00
221. GB/T 2694-2018Specification of manufacturing for transmission line tower$480.00
222. GB/T 2703-2017Footwear -- Vocabulary$420.00
223. GB/T 2766-2022Surgical instruments - Non-cutting, articulated instruments - General requirements and test methods$155.00
224. GB/T 2773-2025Ningxiang pig$180.00
225. GB/T 2793-2026Test method for the non-volatile content of adhesives$170.00
226. GB/T 2812-2024Head protection - General test methods$635.00
227. GB/T 2816-2014Submersible pumps for deep wells$130.00
228. GB/T 2818-2014Submersible motors for deep wells$110.00
229. GB/T 2820.1-2022Reciprocating internal combustion engine driven alternating current generating sets - Part 1: Application, ratings and performance$305.00
230. GB/T 2820.8-2022Reciprocating internal combustion engine driven alternating current generating sets - Part 8: Requirements and tests for low-power generating sets$200.00
231. GB/T 2828.1-2012Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection$145.00
232. GB/T 2829-2025Sampling procedures and tables for periodic inspection by attributes$1,100.00
233. GB/T 2847-2022Pozzolanic materials used for cement production$200.00
234. GB/T 2852-2008Ball-bearing die sets for stamping dies$200.00
235. GB/T 2855.1-2008Holders for sliding guide die sets for stamping dies - Part 1: Punch holders for die sets$170.00
236. GB/T 2855.2-2008Holders for sliding guide die sets for stamping dies - Part 2: Die holders for die sets$170.00
237. GB/T 2861.10-2008Guide unit for stamping dies - Part 10: Washers$74.00
238. GB/T 2877.2-2021Hydraulic two-port slip-in cartridge valves - Part 2: Mounting dimensions$335.00
239. GB/T 2881-2023Silicon metal$215.00
240. GB/T 2882-2023Nickel and nickel alloy tubes$260.00
241. GB/T 2889.1-2020Plain bearings - Terms, definitions, classification and symbols - Part 1: Design, bearing materials and their properties$665.00
242. GB/T 2889.2-2020Plain bearings - Terms, definitions, classification and symbols - Part 2: Friction and wear$245.00
243. GB/T 2889.3-2020Plain bearings - Terms, definitions, classification and symbols - Part 3: Lubrication$365.00
244. GB/T 2889.5-2021Plain bearings - Terms, definitions, classification and symbols - Part 5: Application of symbols$335.00
245. GB/T 2889.6-2020Plain bearings - Terms, definitions, classification and symbols - Part 6: Abbreviated terms$90.00
246. GB/T 2889.7-2026Plain bearings - Terms, definitions, classification and symbols - Part 7: Hydrostatic and aerostatic bearings$365.00
247. GB/T 2893.2-2020Graphical symbols - Safety colours and safety signs - Part 2: Design principles for product safety labels$305.00
248. GB/T 2893.5-2020Graphical symbols—Safety colours and safety signs—Part 5: Principles and requirements for the use of safety signs$245.00
249. GB/T 2899-2017Barium sulphate precipitated for industrial use$130.00
250. GB/T 2900.100-2017Electrotechnical terminology -- Superconductivity$740.00
251. GB/T 2900.101-2017Electrotechnical terminology -- Risk assessment$130.00
252. GB/T 2900.102-2020Electrotechnical terminology--Active assisted living$245.00
253. GB/T 2900.103-2020Electrotechnical terminology - Generation, transmission and distribution of electrical energy - Dependability and quality of service of electric power systems$425.00
254. GB/T 2900.104-2021Electrotechnical terminology - Micro-electromechanical devices$425.00
255. GB/T 2900.105-2022Electrotechnical terminology - Nano-enabled electrotechnical products and systems$245.00
256. GB/T 2900.16-2025Electrotechnical terminology - Power capacitors$545.00
257. GB/T 2900.35-2023Electrotechnical terminology - Explosive atmospheres$1,115.00
258. GB/T 2900.65-2023Electrotechnical terminology - Lighting$3,695.00
259. GB/T 2900.88-2011Electrotechnical terminology -- Ultrasonic$120.00
260. GB/T 2909-2025Cotton grey canvas$125.00
261. GB/T 2910.12-2023Textiles - Quantitative chemical analysis - Part 12: Mixtures of acrylic, certain modacrylics, certain chlorofibres, certain elastane fibres with certain other fibres(method using dimethylformamide)$155.00
262. GB/T 2910.16-2024Textiles - Quantitative chemical analysis - Part 16: Mixtures of polypropylene fibres with certain other fibres (method using xylene)$155.00
263. GB/T 2910.25-2017Textiles -- Quantitative chemical analysis -- Part 25: Mixtures of polyester and certain other fibres (method using trichloroacetic acid and chloroform)$90.00
264. GB/T 2910.26-2017Textiles -- Qualitative chemical analysis -- Part 26: Mixtures of melamine and cotton or aramide fibers (method using hot formic acid)$210.00
265. GB/T 2910.4-2022Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibres with certain other fibres(method using hypochlorite)$110.00
266. GB/T 2910.7-2025Textiles - Quantitative chemical analysis - Part 7: Mixtures of polyamide with certain other fibers (method using formic acid)$150.00
267. GB/T 2913-2026Plastics - Test for whiteness$200.00
268. GB/T 2918-2018Plastics -- Standard atmospheres for conditioning and testing$154.00
269. GB/T 2930.1-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Sampling$420.00
270. GB/T 2930.10-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Testing coated seeds$215.00
271. GB/T 2930.11-2026Code of practice for seed testing of forage, turfgrass and other herbaceous plants - Part 11: Testing report$260.00
272. GB/T 2930.2-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- The purity analysis$360.00
273. GB/T 2930.3-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Determination of other seeds by number$120.00
274. GB/T 2930.4-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- The germination test$540.00
275. GB/T 2930.5-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Biochemical test for viability$300.00
276. GB/T 2930.6-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Seed health testing$190.00
277. GB/T 2930.7-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Species and variety testing$360.00
278. GB/T 2930.8-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Determination of moisture content$190.00
279. GB/T 2930.9-2017Rules of seed testing for forage, turfgrass and other herbaceous plant -- Weight determination$90.00
280. GB/T 2938-2008Low heat micro-expansion cement$179.00
281. GB/T 2940-2025Springs for fuel pump, governor and injector of diesel engines — Technical specification$425.00
282. GB/T 2943-2025Terms of adhesives$920.00
283. GB/T 2945-2017Ammonium nitrate$240.00
284. GB/T 2946-2018Ammonium chloride$300.00
285. GB/T 2965-2023Titanium and titanium alloy bars$230.00
286. GB/T 2967-2017Cast tungsten carbide powder$150.00
287. GB/T 2968-2020Samarium metal$70.00
288. GB/T 2969-2020Samarium oxide$90.00
289. GB/T 2970-2026Method for ultrasonic testing of thick steel plates$305.00
290. GB/T 2975-2018Steel and steel products - Location and preparation of samples and test pieces for mechanical testing$130.00
291. GB/T 2976-2020Metallic materials. Wire. Wrapping test$95.00
292. GB/T 2977-2024Size designation, dimensions, inflation pressure and load capacity for truck tyres$590.00
293. GB/T 2978-2024Passenger car tyres - Size designation, dimensions, inflation pressures and load capacities$725.00
294. GB/T 2979-2026Size designation, dimensions, inflation pressure and load capacity for agricultural tyres$875.00
295. GB/T 2980-2018Size designation, dimensions, inflation pressure and load capacity for earth-mover tyres$650.00
296. GB/T 2985-2008Biological microscope$120.00
297. GB/T 2988-2023High alumina bricks$160.00
298. GB/T 2992.2-2014Dimensions of refractory bricks - Part 2: Terminology for the shapes of refractory bricks and for brickwork$420.00
299. GB/T 2994-2021High alumina refractory mortars$95.00
300. GB/T 3001-2017Refractory products -- Determination of modulus of rupture at ambient temperature$110.00
301. GB/T 3002-2017Refractory products -- Determination of modulus of rupture at elevated temperatures$120.00
302. GB/T 3003-2017Refractory fibres and their products$240.00
303. GB/T 3028-2012Marine electric signal lights$320.00
304. GB/T 3029-2025Technical specification for ships' ventilation accessories$50.00
305. GB/T 3036-2017Marine centric-pivoted butterfly valves$620.00
306. GB/T 3037-2017Marine duo-eccentric-pivoted butterfly valves$660.00
307. GB/T 3039-2026Fibre cement pipes and their joints$305.00
308. GB/T 3043-2017Conventional abrasive -- Chemical analysis of brown fused aluminium oxide$480.00
309. GB/T 3044-2020Chemical analysis methods for white fused alumina and pink fused alumina$425.00
310. GB/T 3048.11-2025Test methods for electrical properties of electric cables and wires — Part 11: Test for dielectric dissipation factor$140.00
311. GB/T 3048.13-2025Test methods for electrical properties of electric cables and wires — Part 13: Impulse voltage test$260.00
312. GB/T 3048.4-2025Test methods for electrical properties of electric cables and wires — Part 4: Test of DC resistance of conductors$200.00
313. GB/T 3048.8-2025Test methods for electrical properties of electric cables and wires - Part 8: AC voltage test$260.00
314. GB/T 3051-2025General methods for the determination of chloride content in inorganic chemical products — Mercurimetric method and ion chromatography method$215.00
315. GB/T 3058-2019Determination of arsenic in coal$150.00
316. GB/T 3074.1-2021The test method for flexural strength of carbon materials$95.00
317. GB/T 3074.2-2024The test method for elastic modulus of carbon materials$190.00
318. GB/T 3074.3-2026Method for the determination of the oxidation resistance of carbon materials$200.00
319. GB/T 3075-2021Metallic materials - Fatigue testing - Axial force-controlled method$390.00
320. GB/T 3077-2015Alloy Structure Steels$70.00
321. GB/T 3078-2019Quality structural steel cold drawn bars$115.00
322. GB/T 3082-2020Galvanized or zinc-aluminum alloy-coated low-carbon steel wire for armoured cables$155.00
323. GB/T 3086-2019High carbon chromium stainless bearing steels$130.00
324. GB/T 3087-2022Seamless steel tubes and pipes for low and medium pressure boilers$245.00
325. GB/T 3089-2020Seamless ultra-thin wall stainless steel tubes$125.00
326. GB/T 3090-2020Seamless small diameter stainless steel tubes$135.00
327. GB/T 3091-2025Welded steel pipes for low pressure fluid delivery$320.00
328. GB/T 3093-2021High-pressure seamless steel tubes for diesel engine$200.00
329. GB/T 3094-2026Cold drawn shaped steel tubes$680.00
330. GB/T 3098.1-2010Mechanical properties of fasteners - Bolts, screws and studs$120.00
331. GB/T 3098.15-2023Mechanical properties of fasteners - Stainless steel nuts$455.00
332. GB/T 3098.22-2009Mechanical properties of fasteners - Bolts, screws and studs made of fine grain non-heat-treated steel$425.00
333. GB/T 3098.23-2020Mechanical properties of fasteners—M42～M72 bolts, screws and studs$420.00
334. GB/T 3098.24-2020Mechanical properties of fasteners—Stainless steel and nickel alloys bolts, screws, studs and nuts for high temperature applications$665.00
335. GB/T 3098.25-2020Mechanical properties of fasteners—Guidance for the selection of stainless steels and nickel alloys for fasteners$365.00
336. GB/T 3098.6-2023Mechanical properties of fasteners - Stainless steel bolts, screws and studs$635.00
337. GB/T 3098.9-2020Mechanical properties of fasteners - Prevailing torque type steel nuts$370.00
338. GB/T 3099.3-2017Terminology of fasteners -- Coatings$660.00
339. GB/T 3099.4-2021Terminology of fasteners - Control, inspection, delivery, acceptance and quality$575.00
340. GB/T 3102.6-1993Quantities and units of light and related electromagnetic radiations$350.00
341. GB/T 3103.3-2020Tolerances for fasteners - Plain washers$130.00
342. GB/T 3108-2026Impressed current cathodic protection systems for ship hulls$260.00
343. GB/T 3131-2020Tin-lead solder$245.00
344. GB/T 3137-2020Testing method for electrical property of tantalum powder$215.00
345. GB/T 3139-2026Test methods for the thermal conductivity of fibre reinforced plastics$245.00
346. GB/T 3142-2019Standard test method for determination of load-carrying capacity of lubricants—Four-ball method$240.00
347. GB/T 3145-2023Determination of benzene crystallizing point$170.00
348. GB/T 3157-2023Chinese Holstein$170.00
349. GB/T 3159-2026Hydraulic universal testing machines$245.00
350. GB/T 3183-2017Masonry cement$120.00
351. GB/T 3183-2025Masonry cement$185.00
352. GB/T 3190-2020Chemical composition of wrought aluminium and aluminium alloys$190.00
353. GB/T 3191-2019Extrusion rods and bars of aluminium and aluminium alloys$150.00
354. GB/T 3195-2023Aluminium and aluminium alloys drawn (rolled) round wire$295.00
355. GB/T 3198-2020Aluminium and aluminium alloy foils$180.00
356. GB/T 3199-2026Packing, marking, transport and storage of wrought aluminium and aluminium alloy products$515.00
357. GB/T 3203-2016Carburizing steels for bearings$100.00
358. GB/T 3207-2025Bright steel$290.00
359. GB/T 3211-2023Metal chrome$150.00
360. GB/T 3216-2016Rotodynamic pumps -- Hydraulic performance acceptance tests -- Grades 1, 2 and 3 [including 2018XG1]$720.00
361. GB/T 3220-2011Freight container spreaders$140.00
362. GB/T 3221-2020Code for mooring and sea trials of internal combustion engine-driven inland ships$1,100.00
363. GB/T 3222.1-2022Acoustics - Description, measurement and assessment of environmental noise - Part 1: Basic quantities and assessment procedures$590.00
364. GB/T 3222.2-2022Acoustics - Description, measurement and assessment of environmental noise - Part 2: Determination of sound pressure levels$770.00
365. GB/T 3227-2018Assembly tools for screws and nuts -- Driving squares for power socket tools$150.00
366. GB/T 3228-2022Assembly tools for screws and nuts - Dimensions of machine-operated impact square drive sockets$215.00
367. GB/T 3229-2018Assembly tools for screws and nuts -- Dimensions and torque testing of drive ends for hand and machine-operated screwdriver bits and connecting parts$210.00
368. GB/T 3242-2026Technical code of practice for the production of cotton basic seed$305.00
369. GB/T 3246.1-2024Inspection method for structure of wrought aluminium and aluminium alloy products—Part 1: Inspection method for microstructure$1,040.00
370. GB/T 3246.2-2026Inspection methods for the structure of wrought aluminium and aluminium alloy products - Part 2: Inspection method for macrostructure$740.00
371. GB/T 3249-2022Test method for Fisher number of metal powders and related compounds$170.00
372. GB/T 3250-2017Shearing and riveting test method of wires and rods for the aluminum and aluminum-alloy rivets$240.00
373. GB/T 3251-2023Compression test method for aluminium and aluminium alloy products$275.00
374. GB/T 3253.3-2008Methods for chemical analysis of antimony and antimony trioxide - Determination of lead content - Flame atomic absorption spectrometric method$90.00
375. GB/T 3260.1-2024Methods for chemical analysis of tin - Part 1: Determination of copper, lead, zinc, cadmium, silver, nickel and cobalt contents - Flame atomic absorption spectroscopy$260.00
376. GB/T 3260.11-2023Methods for chemical analysis of tin—Part 11: Determination of copper,iron,bismuth,lead,antimony,arsenic,aluminum,zinc,cadmium,silver,nickel and cobalt contents—Inductively coupled plasma atomic emission spectrometry$215.00
377. GB/T 3273-2026Hot rolled steel sheet and strip for automobile frames$200.00
378. GB/T 3274-2017Hot-rolled plates, sheets and strips of carbon structural steels and high strength low alloy structural steels$50.00
379. GB/T 3279-2023Hot-rolled spring steel plates, sheets and strips$310.00
380. GB/T 3280-2015Cold rolled stainless steel plate, sheet and strip$130.00
381. GB/T 3286.11-2022Methods for chemical analysis of limestone and dolomite—Part 11: Determination of calcium oxide, magnesium oxide, silicon dioxide, aluminium oxide and iron oxide content—Wavelength dispersive X-ray fluorescence spectrometry (Fused cast bead method)$260.00
382. GB/T 3286.12-2023Methods for chemical analysis of limestone and dolornite—Part 12: Determination of potassium oxide and sodium oxide contents—Flame atomic absorption spectrometry method$215.00
383. GB/T 3286.2-2025Methods for chemical analysis of limestone and dolomite — Part 2: Determination of silicon and aluminium content$320.00
384. GB/T 3286.6-2014Methods for chemical analysis of limestone and dolomite—Part 6: The determination of phosphorus content—The phosphomolybdate blue spectrophotometric method$150.00
385. GB/T 3286.8-2014Method for chemical analysis of limestone and dolomite—Part 8: The determination of loss on ignition—The gravimetric method$140.00
386. GB/T 3287-2024Malleable cast iron pipe fittings$980.00
387. GB/T 3293-2017Chinese shoe last systems$330.00
388. GB/T 3295-2025Test method for specular gloss of ceramic ware$185.00
389. GB/T 3296-2021Test method for translucency of daily-use porcelain$90.00
390. GB/T 3298-2022Test method for resistance to thermal shock of domestic ceramic ware$110.00
391. GB/T 3303-2018Terminology of defects for domestic ceramics$210.00
392. GB/T 3310-2023Ultrasonic testing method of copper and copper alloy bars$185.00
393. GB/T 3316-2019Method of defining the power for diesel locomotives$70.00
394. GB/T 3323.1-2019Non-destructive testing of welds -- Radiographic testing -- Part 1: X-and gamma-ray techniques with film$240.00
395. GB/T 3323.2-2019Non-destructive testing of welds -- Radiographic testing -- Part 2: X-and gamma-ray techniques with digital detectors$620.00
396. GB/T 3324-2024General technical requirements for wooden furniture$470.00
397. GB/T 3325-2024General technical requirements for metal furniture$500.00
398. GB/T 3326-2016Furniture - Main sizes of tables, chairs and stools$130.00
399. GB/T 3327-2016Furniture - Main sizes of storage units$70.00
400. GB/T 3328-2016Furniture - Main sizes of beds$70.00
401. GB/T 3355-2014Test method for in-plane shear response of polymer matrix composite materials$140.00
402. GB/T 3362-2017Test methods for tensile properties of carbon fiber multifilament$150.00
403. GB/T 3365-2008Carbon fiber reinforced plastics - Determination of void content and fiber volume content$90.00
404. GB/T 3367.1-2018Glossary of terms for diesel locomotives - Part 1: General terms$370.00
405. GB/T 3367.2-2018Glossary of terms for diesel locomotives - Part 2: Diesel engine$880.00
406. GB/T 3367.3-2018Glossary of terms for diesel locomotives - Part 3: Car body, bogie and brake equipment$480.00
407. GB/T 3367.4-2018Glossary of terms for diesel locomotives - Part 4: Hydraulic transmission system$480.00
408. GB/T 3367.5-2018Glossary of terms for diesel locomotives - Part 5: Auxiliary equipment$260.00
409. GB/T 3372-2026Rim series for tractors and agricultural and forestry machinery$500.00
410. GB/T 3390.5-2013Hand operated socket wrenches - Inspection,packaging and marking$70.00
411. GB/T 3392-2023Determination of hydrocarbon impurities of propylene for industrial use—Gas chromatographic method$215.00
412. GB/T 3394-2023Determination of trace carbon monoxide, carbon dioxide and acetylene of ethylene and propylene for industrial use—Gas chromatographic method$215.00
413. GB/T 3396-2022Determination of trace oxygen in ethylene and propylene for industrial use—Electrochemical method$140.00
414. GB/T 3405-2025Petroleum benzene$260.00
415. GB/T 3406-2025Petroleum toluene$95.00
416. GB/T 3429-2025Wire rods for welding$320.00
417. GB/T 3452.4-2020O-rings for fluid power systems - Part 4: Anti-extrusion rings(back-up rings)$245.00
418. GB/T 3452.5-2022O-rings for fluid power systems - Part 5: Specification of elastomeric materials$290.00
419. GB/T 3458-2026Tungsten powder$140.00
420. GB/T 3459-2022Tungsten bars$70.00
421. GB/T 3460-2017Ammonium molybdate$130.00
422. GB/T 3461-2016Molybdenum powder$90.00
423. GB/T 3462-2017Bars and plate blanks of molybdenum$90.00
424. GB/T 3475-2025Requirement and test method for speed governing system of marine diesel engine$305.00
425. GB/T 3478.3-2008Straight cylindrical involute splines - Metric module, side fit - Part 3: 37.5°pressure angle dimensions tables$440.00
426. GB/T 3478.6-2008Straight cylindrical involute splines - Metric module, side fit - Part 6: 30°pressure angle M and W values$1,050.00
427. GB/T 3480.1-2019Calculation of load capacity of spur and helical gears -- Part 1: Basic principles, introduction and general influence factors$1,280.00
428. GB/T 3480.3-2021Calculation of load capacity of spur and helical gears - Part 3: Calculation of tooth bending strength$740.00
429. GB/T 3480.5-2021Calculation of load capacity of spur and helical gears - Part 5: Strength and quality of materials$620.00
430. GB/T 3480.6-2018Calculation of load capacity of spur and helical gears -- Part 6: Calculation of service life under variable load$360.00
431. GB/T 3485-1998Technical guides for evaluating the rationality of electricity usage in industrial enterprise$70.00
432. GB/T 3487-2024Passenger car rims$240.00
433. GB/T 3488.3-2021Hardmetals - Metallographic determination of microstructure - Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals$305.00
434. GB/T 3488.4-2022Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of porosity, carbon defects and eta-phase content$215.00
435. GB/T 3511-2018Rubber, vulcanized or thermoplastic -- Resistance to weathering$140.00
436. GB/T 3512-2014Rubber, vulcanized or thermoplastic -- Accelerated ageing and heat resistance tests -- Air-oven method$614.00
437. GB/T 3513-2018Rubber,vulcanized—Determination of adhesion to single wire—Pull out test$150.00
438. GB/T 3517-2022Rubber, raw natural - Determination of plasticity retention index (PRI)$140.00
439. GB/T 3518-2023Flake graphite$305.00
440. GB/T 3519-2023Cryptocrystalline graphite$170.00
441. GB/T 3520-2024Test method for fineness of graphite$190.00
442. GB/T 3521-2023Methods for chemical analysis of graphite$365.00
443. GB/T 3532-2022Domestic porcelain ware$170.00
444. GB/T 3533.2-2017Standardization benefit evaluation—Part 2: General principles of social benefit evaluation$210.00
445. GB/T 3543.1-2025Rules for agricultural seed testing — Part 1: General directives$440.00
446. GB/T 3543.10-2025Rules for agricultural seed testing — Part 10: Sowing quality — Vigor test$425.00
447. GB/T 3543.11-2025Rules for agricultural seed testing — Part 11: Varietal quality — Varietal genuineness identification testing$590.00
448. GB/T 3543.12-2025Rules for agricultural seed testing — Part 12: Varietal quality — GMO seed testing$665.00
449. GB/T 3543.2-2025Rules for agricultural seed testing — Part 2: Sampling$665.00
450. GB/T 3543.3-2025Rules for agricultural seed testing — Part 3: Sowing quality — Purity analysis$590.00
451. GB/T 3543.4-2025Rules for agricultural seed testing — Part 4: Sowing quality — Germination test$785.00
452. GB/T 3543.5-2025Rules for agricultural seed testing — Part 5: Varietal quality — Varietal purity testing$350.00
453. GB/T 3543.6-2025Rules for agricultural seed testing — Part 6: Sowing quality — Determination of moisture content$290.00
454. GB/T 3543.8-2025Rules for agricultural seed testing — Part 8: Sowing quality — Thousand-seed weight (TSW) determination$110.00
455. GB/T 3543.9-2025Rules for agricultural seed testing - Part 9: Sowing quality - Viability test$425.00
456. GB/T 3555-2022Test method for Saybolt color of petroleum products—Saybolt chromometer$215.00
457. GB/T 3565.6-2022Safety requirements for bicycles - Part 6: Frame and fork test methods$350.00
458. GB/T 3566-2026Assembly requirements for bicycles$305.00
459. GB/T 3594-2024Technical requirements for power supplies of electronic equipment of fishing vessels$155.00
460. GB/T 3606-2025Domestic biogas stove$425.00
461. GB/T 3610-2010Zinc wafer for dry cell$170.00
462. GB/T 3620.1-2016Designations and chemical compositions of titanium and titanium alloys$60.00
463. GB/T 3620.2-2023Titanium and titanium alloy permissible variations of chemical composition for wrought product analysis$65.00
464. GB/T 3622-2023Titanium and titanium alloy strip and foil$215.00
465. GB/T 3623-2022Titanium and titanium alloy wire$155.00
466. GB/T 3624-2023Titanium and titanium alloy seamless tubes$215.00
467. GB/T 3629-2017Tantalum and tantalum alloy sheet, strip and foil$150.00
468. GB/T 3634.1-2025Hydrogen - Part 1: Industrial hydrogen$305.00
469. GB/T 3634.2-2025Hydrogen - Part 2: Pure hydrogen, high purity hydrogen and ultra purity hydrogen$260.00
470. GB/T 3637-2021Liquid sulphur dioxide$155.00
471. GB/T 3639-2021Seamless cold-drawn or cold-rolled steel tubes for precision applications$230.00
472. GB/T 3653.1-2024Ferroboron - Determination of boron content - Alkalimetry method$180.00
473. GB/T 3653.3-2023Ferroboron—Determination of silicon content—Perchloric acid dehydration-gravimetric method$155.00
474. GB/T 3653.4-2025Ferroboron — Determination of aluminum content — EDTA titrimetric method, chrome azurol S spectrophotometric method and inductively coupled plasma atomic emission spectrometric method$290.00
475. GB/T 3654.10-2024Ferroniobium - Determination of aluminum content - EDTA titrimetric method$245.00
476. GB/T 3654.8-2023Ferroniobium—Determination of titanium content—Chromotropic acid photometric method and diantipyrylmethane photometric method$215.00
477. GB/T 3655-2022Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an epstein frame$470.00
478. GB/T 3656-2022Methods of coercivity measurement of magnetic iron and magnetically soft alloy by pulling out procedure$155.00
479. GB/T 3670-2021Covered electrodes for manual metal arc welding of copper and copper alloys$215.00
480. GB/T 3681.1-2021Plastics - Methods of exposure to solar radiation - Part 1: General guidance$275.00
481. GB/T 3681.2-2021Plastics - Methods of exposure to solar radiation - Part 2: Direct weathering and exposure behind window glass$170.00
482. GB/T 3682.2-2018Plastics -- Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics -- Part 2: Method for materials sensitive to time-temperature history and/or moisture$240.00
483. GB/T 3683-2023Rubber hoses and hose assemblies - Wire-braid-reinforced hydraulic types for oil-based or water-based fluids - Specification$245.00
484. GB/T 3684-2021Conveyor belts - Electrical conductivity - Specification and test method$155.00
485. GB/T 3688-2025Test method for adhesion performance of V-belt cords$260.00
486. GB/T 3715-2022Terms relating to properties and analysis of coal$650.00
487. GB/T 3728-2023Ethyl acetate for industrial use$230.00
488. GB/T 3730.1-2022Terms and definitions of motor vehicles, trailers and combination vehicle— Part 1: Types$350.00
489. GB/T 3733-200824° cone connectors - Straight thread$214.00
490. GB/T 3742-200824° cone connectors - Male tee$90.00
491. GB/T 3756-200824° cone connectors - Swivel stud straight adapter with O-ring with stud end$110.00
492. GB/T 3778-2021Carbon black for use in rubber products$305.00
493. GB/T 3780.14-2019Carbon black -- Part 14: Determination of sulfur content$150.00
494. GB/T 3780.25-2018Carbon black—Part 25: Determination of carbon content$90.00
495. GB/T 3780.26-2018Carbon black—Part 26: Determination of carbon content in carbon black feedstock oils$90.00
496. GB/T 3780.27-2020Carbon black - Part 27: Determination of aggregate size distribution by disc centrifuge photosedimentometry$215.00
497. GB/T 3780.29-2022Carbon black - Part 29: Determination of solvent extractable material$125.00
498. GB/T 3780.30-2023Carbon black - Part 30: Determination of high temperature volatile matter - Thermogravimetry method$150.00
499. GB/T 3780.31-2025Carbon black - Part 31: Determination of total hydrogen content$250.00
500. GB/T 3780.7-2025Carbon black — Part 7: Determination of pH value$155.00