JB/T 9503-2014
Evaluation methods and grades of inclusions in cobalt-based alloys for instrument shaft tips (English Version)

Standard No.

JB/T 9503-2014

Language

Chinese, Available in English version

Release Date

2015

Published By

工业和信息化部/国家能源局

Status

Be replaced 2016-01

Replace By

JB/T 9503-2015

Latest

JB/T 9503-2015

Replace

JB/T 9503-1999

JB/T 9503-2014 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