JB/T 4393-2011Polyvinyl alcohol synthetic quenchants (English PDF)
聚乙烯醇合成淬火剂
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
August 15, 2011
Implementation date
November 1, 2011
Scope
JB/T 4393-2011 is the English-translated version of 聚乙烯醇合成淬火剂.
JB/T 4393-2011 is a recommended Chinese machinery industry standard that sets the technical conditions for polyvinyl alcohol synthetic quenchants. The products it governs are the water-soluble polymer synthetic quenchants having polyvinyl alcohol as their main constituent, used as the quenching medium in the hardening of steel. Among the standards it quotes are GB/T 6680, GB/T 8121, GB/T 8170, GB 8978 and JB/T 4392-2011. The classification entered for it is J36 in the Chinese system and 25.200 in the international system. It supersedes the earlier edition JB/T 4393-1999. What the document governs is the quenchant itself, named as a synthetic product in the title and as water-soluble in the scope.
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Document preview — JB/T 4393-2011
National Standard of the People's Republic of China
- ICS
- 25.200
- Replacing
- JB/T 4393-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 4393-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 6680
GB/T 8121
GB/T 8170
GB 8978
JB/T 4392-2011
......
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 6680General rules for sampling liquid chemical products
- GB/T 8121The terminology of technological materials of heat treatment
- GB/T 8170Rules of rounding off for numerical values & expression and judgement of limiting values
- JB/T 4392-2011Test methods for polymer water-soluble quenchants
GB 8978
Similar standards
Editions of JB/T 4393
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 4393-2011 | Polyvinyl alcohol synthetic quenchants | current edition | Current |
| JB/T 4393-1999 | Polyvinyl alcohol synthetic quenchants | previous edition | Superseded |
This page sells the current edition, JB/T 4393-2011. Earlier editions are listed for reference only.
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Related Standards
GB/T 6680-2003 — General rules for sampling liquid chemical products
GB/T 8121-2012 — The terminology of technological materials of heat treatment
GB/T 8170-2008 — Rules of rounding off for numerical values & expression and judgement of limiting values
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JB/T 4393-2011
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