JB/T 9503-1999
Inclusional appreciating method and classifying standard of cobalt - base alloys for meter pivots (English Version)
- Standard No.
- JB/T 9503-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2016-01
- Replace By
- JB/T 9503-2015
- JB/T 9503-2014
- Latest
- JB/T 9503-2015
- Scope
- This standard applies to the grade assessment of non-metallic inclusions in cobalt-based alloys used for instrument shaft tips.
JB/T 9503-1999 history
- 2015 JB/T 9503-2015 The evaluation method and hierarchy of the cobalt base alloy inclusion for the shaft tip of instrument
- 1999 JB/T 9503-1999 Inclusional appreciating method and classifying standard of cobalt - base alloys for meter pivots
