JB/T 6401-1992Steels for large roll forgings (English PDF)
大型轧辊锻件用钢
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 14, 1992
Implementation date
July 1, 1993
Scope
JB/T 6401-1992 is the English-translated version of 大型轧辊锻件用钢.
JB/T 6401-1992 is the Chinese standard "Steels for large roll forgings".
Its scope clause reads: This Standard specifies the order requirements, manufacturing process, technical requirements, inspection rules and test methods, quality certificate, marking and packaging for heavy roll forgings, such as cold-rolled, hot-rolled work rolls and backup rolls.
This Standard applies to the order, manufacture, and inspection of heavy roll forgings (hereinafter referred to as forgings). Its clauses include order requirements; manufacturing process; technical requirements.
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Document preview — JB/T 6401-1992
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Order requirements
- 4 Manufacturing process
- 4.1 Smelting
- 4.2 Forging
- 4.3 Heat treatment
- 5 Technical requirements
- 5.1 Chemical composition
- 5.2 Mechanical properties
- 5.3 Hardness
- 6 Inspection rules and test methods
- 6.1 Chemical composition analysis
- 6.2 Tests of mechanical properties
- 6.3 Hardness test
- 7 Quality certificate
- 8 Marking and packaging
1 Foreword
JB/T 6401-1992 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 14 July 1992 and has been in force since 1 July 1993.
The JB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.
The document runs to 15 pages in English translation.
2 Scope Preview
JB/T 6401-1992 carries no ICS number and no Chinese Standard Classification code.
This catalogue holds 21,922 other JB/T standards.
Of the 5,298 JB/T standards that do carry an ICS number, 1,460 (28%) fall under ICS 25, in the field of manufacturing engineering.
3 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
4 Related standards
Other editions:
JB/T 6401-2017 (later edition)
5 Classification and status
Chinese Standard Classification (CCS): J 32
Prefix JB/T: recommended standard.
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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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