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Chinese National Standard Category: Heat treatment

English Title: Testing method for cooling properties of quenching media
Chinese Title: 淬火介质冷却性能试验方法
Standard No.: GB 9449-1988
Category No.: J36
Issued by:
Issued on:
Implemented on: 1989-3-1
Status: valid
Superseded by:JB/T 7951-1995 Chinese Industry Standard
Superseded on:
Abolished on:
Superseding:
Word Count:3000 words
Similar Standards: QJ A 1181.2-1995   QJ A 1181.4-1995   QJ A 1181.5-1995   QJ A 1181.1-1995   QJ 2046A-2008   QJ A 1181.3-1995   GB/T 7232-2023   GB/T 22561-2023   GB/T 9452-2023   GB/T 39247-2020   GB/T 39191-2020   GB/T 39192-2020   GB/T 39194-2020   GB/T 38805-2020   GB/T 38749-2020   GB/T 38770-2020   GB/T 38751-2020   GB/T 38720-2020   GB/T 37559-2019   GB/T 37558-2019  
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