GB/T 25151.3-2010Fabrication and inspection method for high pressure urea equipment - Part 3: Intergranular corrosion tendency test for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade (English PDF)
尿素高压设备制造检验方法 第3部分：尿素级超低碳铬镍钼奥氏体不锈钢晶间腐蚀倾向试验
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 26, 2010
Implementation date
March 1, 2011
Scope
GB/T 25151.3-2010 is the English-translated version of 尿素高压设备制造检验方法 第3部分：尿素级超低碳铬镍钼奥氏体不锈钢晶间腐蚀倾向试验.
GB/T 25151.3-2010 is the Chinese standard "Fabrication and inspection method for high pressure urea equipment - Part 3: Intergranular corrosion tendency test for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade".
Its scope clause reads: This section GB/T 25151 specifies the urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel in boiling solution of 65% nitric acid corrosion quality Losses as a test method for testing between corrosion tendency.
This section applies to study heat treatment, welding process on the corrosion resistance of the weld itself influence and detection of corrosion resistance. Its clauses include test device.
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Document preview — GB/T 25151.3-2010
National Standard of the People's Republic of China
- ICS
- 75.180.20
- Classification
- G 93
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 test device
- 3.1 Test container
1 Scope
This section GB/T 25151 specifies the urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel in boiling solution of 65% nitric acid corrosion quality
Losses as a test method for testing between corrosion tendency.
This section applies to study heat treatment, welding process on the corrosion resistance of the weld itself influence and detection of corrosion resistance.
2 Normative references
The following documents contain provisions which, through GB/T 25151 in this part of the reference in terms of this section. Cited documents dated, its
All subsequent amendments (not including errata content) or revisions do not apply to this section, however, encourage each agreement under this section
Are Prescriptions can use the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 626 chemical reagent nitric acid (GB/T 626-2006, ISO 6353-2. 1983, NEQ)
GB/T 25151.4 urea high pressure equipment, manufacturing and testing methods - Part 4. Urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel to intergranular
Corrosion tendency test sample preparation
HG/T 3178 urea high pressure equipment corrosion resistant stainless steel tube - tube sheet welding procedure qualification and welder skills assessment
HG/T 3179 urea high pressure equipment welding procedure qualification and welder skills assessment
Welding procedure qualification HG/T 3180 urea and high voltage equipment inside lining plate member and welders skills assessment
3 test device
3.1 Test container
A capacity of less than 1L1) grinding mouth Erlenmeyer bottles and finger condenser (Recommended shape and dimensions shown in Figure 1). The material is based
Analysis with heat-resistant hard glass.
1) When the total is greater than the surface area of a sample with more than 30cm2 1L of the test vessel.
Millimeters a) b)
Figure 1 is a 1L capacity test apparatus
GB/T 23711.8-2019 | HG/T 4752-2014 | HG/T 20584-2011 | GB/T 25151.6-2014 | GB/T 25151.4-2010 | GB/T 25151.2-2010 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 25151.1-2010 — Fabrication and inspection method for high pressure urea equipment - Part 1: Ultrasonic examination on the automatic strip overlay welds of stainless steel
GB/T 25151.2-2010 — Fabrication and inspection method for high pressure urea equipment - Part 2: Selective corrosion examination and metallography examination for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
GB/T 25151.4-2010 — Fabrication and inspection method for high pressure urea equipment - Part 4: Intergranular corrosion tendency test specimen preparation for ultra low-carbon chromated nickel molybdenum austenitic stainless steel of urea grade
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