China 'GB/T 14999.4-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14999.4-2012
Test methods for superalloys - Part 4: Determination of characterizing banding grains and primary carbides distribution of superalloy rollings 高温合金试验方法 第4部分:轧制高温合金条带晶粒组织和一次碳化物分布测定
Issued Date:2012-11-05
Implemented Date:2013-05-01
Issued by:
The Standardization Administration of the People's Republic of China