GB/T 31309-2020
Calculation of electron vacancy number in cast superalloys

Standard No.

GB/T 31309-2020

Language

Chinese

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Lastest

GB/T 31309-2020

Replace

GB/T 31309-2014

GB/T 31309-2020 history

• 2020 GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys
• 2015 GB/T 31309-2014 Calculation of electoron vacancy number in nickel-base superalloys