Two national standards have were officially implemented since October 12, 2022,see Table 1. These twostandards are under the jurisdiction of the National Foundry Standardization Technical Committee (SAC/TC 54), which were approved and issued by the Standardization Administration of the People's Republic of China on October 12, 2022.
Table 1 Overview of twonational standards
|
No. |
Standard number |
Tittle |
|
1 |
GB/T 1174-2022 |
Cast bearing alloy |
|
2 |
GB/T 41972-2022 |
Cast Irons - classification and designation of casting imperfections |
The article is from the secretariat of National Technical Committee 54 on Foundry of Standardization Administration of China.