JB/T 12858-2016Process specification for cyanide-free zinc and zinc alloy electroplating (English PDF)
无氰电镀锌及锌合金工艺规范
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 5, 2016
Implementation date
September 1, 2016
Scope
JB/T 12858-2016 is the English-translated version of 无氰电镀锌及锌合金工艺规范.
Cyanide-free electroplating of zinc and zinc alloys is the process described by JB/T 12858-2016, a recommended Chinese machinery industry standard. It gives the technical requirements, the quality requirements and the test methods for protective and decorative zincate zinc plating and alkaline zinc-nickel alloy plating.
The coatings in its scope are the protective and decorative coatings applied to metal parts. Among the standards it quotes are GB/T 3138, GB/T 4955, GB/T 4956, GB/T 5267.1, GB/T 6461, GB/T 9799, GB/T 10125, GB/T 12334 and GB/T 12609.
It is classified A29 with ICS 25.220.40, and was issued by the Ministry of Industry and Information Technology.
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Document preview — JB/T 12858-2016
National Standard of the People's Republic of China
- ICS
- 25.220.40
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
1 Foreword
JB/T 12858-2016 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 5 April 2016 and has been in force since 1 September 2016.
2 Scope
Cyanide-free electroplating of zinc and zinc alloys is the process described by JB/T 12858-2016, a recommended Chinese machinery industry standard. It gives the technical requirements, the quality requirements and the test methods for protective and decorative zincate zinc plating and alkaline zinc-nickel alloy plating. The coatings in its scope are the protective and decorative coatings applied to metal parts. Among the standards it quotes are GB/T 3138, GB/T 4955, GB/T 4956, GB/T 5267.1, GB/T 6461, GB/T 9799, GB/T 10125, GB/T 12334 and GB/T 12609. It is classified A29 with ICS 25.220.40, and was issued by the Ministry of Industry and Information Technology.
3 Normative references
JB/T 12858-2016 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 3138
GB/T 5267.1
GB/T 4955
GB/T 4956
GB/T 6461
GB/T 9799
GB/T 10125
GB/T 12334
GB/T 12609
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Classification and status
International classification (ICS): 25.220.40
Prefix JB/T: recommended standard.
......
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
Normative references
- GB/T 3138Metallic and other inorganic coatings -- Surface treatment, metallic and other inorganic coatings -- Vocabulary
- GB/T 5267.1Fasteners - Electroplate coating
- GB/T 4955Metallic coatings -- Measurement of coating thickness -- Coulometric method by anodic dissolution
- GB/T 4956Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method
- GB/T 6461Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates -- Rating of test specimens and manufactured articles subjected to corrosion tests
- GB/T 9799Metallic and other inorganic coatings - Electroplated coatings of zinc with supplementary treatments on iron or steel
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