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Chinese National Standard Category: Metallographic testing method

English Title: Calculation of electoron vacancy number in nickel-base superalloys
Chinese Title: 镍基高温合金电子空位数计算方法
Standard No.: GB/T 31309-2014
Category No.: H24
Issued by: AQSIQ, SAC
Issued on: 2014-12-05
Implemented on: 2015-9-1
Status: superseded
Superseded by:GB/T 31309-2020
Superseded on:2020-12-1
Abolished on:
Superseding:
Word Count:5500 words
Similar Standards: GB/T 10561-2023   GB/T 13299-2022   GB/T 30834-2022   GB/T 41080-2021   GB/T 40404-2021   GB/T 40304-2021   GB/T 40281-2021   GB/T 40067-2021   GB/T 39077-2020   GB/T 31309-2020   GB/T 37787-2019   GB/T 37793-2019   GB/T 224-2019   GB/T 37598-2019   GB/T 36591-2018   GB/T 15711-2018   GB/T 36165-2018   GB/T 34474.2-2018   GB/T 34474.1-2017   GB/T 6394-2017  
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