China 'HB 8423.4-2017
' Industry standard english version:
HB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
HB 8423.4-2017
Methods for identification of metal material grades Part 4: Identification of stainless steel and heat-resistant steel grades by reading spectra 金属材料牌号鉴别方法 第4部分:看谱法鉴别不锈钢和耐热钢牌号
Issued Date:2017.4.12
Implemented Date:2017.10.1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
HB 8423.4-2017
Standard Category
China Aviation Industry
Standards
GB Standard English Title
Methods for identification of metal material grades Part 4: Identification of stainless steel and heat-resistant steel grades by reading spectra