JB/T 4390-2008Rectifying agents for high and medium temperature heat treatment salt baths (English PDF)
高、中温热处理盐浴校正剂
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
June 4, 2008
Implementation date
November 1, 2008
Scope
JB/T 4390-2008 is the English-translated version of 高、中温热处理盐浴校正剂.
JB/T 4390-2008 is a recommended Chinese machinery industry standard on rectifying agents for high and medium temperature heat treatment salt baths. It lays down the general requirements for such an agent, the inspection rules, the test methods, the arbitration provisions, and the packaging, labelling, storage and transport. It applies to rectifying agents for neutral high-temperature heat treatment salt baths, with a working temperature from 1000 °C to 1350 °C, and for medium-temperature baths, from 700 °C to 1000 °C. The Chinese classification entered for it is J36 and the international classification 25.200. Among the standards it quotes are GB/T 223.71, GB/T 1298 and HG/T 2629. It supersedes JB/T 4390-1999.
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Document preview — JB/T 4390-2008
National Standard of the People's Republic of China
- ICS
- 25.200
- Replacing
- JB/T 4390-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 4390-2008 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 223.71
GB/T 652
GB/T 1266
GB/T 1298
GB/T 8121
JB/T 5073
JB/T 8419
HG/T 2629
......
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 223.71Methods for chemical analysis of iron，steel and alloy--The gravimetric method after combustion in the pipe furnace for the determination of carbon content
- GB/T 8121The terminology of technological materials of heat treatment
- JB/T 5073Limits of harmful substances in air of heat treatment workshops
- JB/T 8419Heat treatment process materials - Classification and codes
- HG/T 2629Chemical reagent - Barium hydroxide octahydrate
GB/T 652 · GB/T 1266 · GB/T 1298
Similar standards
Editions of JB/T 4390
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 4390-2008 | Rectifying agents for high and medium temperature heat treatment salt baths | current edition | Current |
| JB/T 4390-1999 | Rectifying agents for high and medium temperature heat treatment salt baths | previous edition | Superseded |
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