Three standards have were officially published since October 1, 2024, see Table 1. These three standards are under the jurisdiction of the National Technical Committee 54 on Foundry of Standardization Administration if China (SAC/TC 54).
Table 1 Overview of three standards
|
No. |
Standard number |
Tittle |
Replace standard |
Implement date |
|
1 |
GB/T 25138-2024 |
Standard silica sand for checking foundry binder |
GB/T 25138-2010 |
2024-10-01 |
|
2 |
GB/T 32252-2024 |
Investment casting process-General technology guidelines |
GB/T 32252-2015 |
2024-10-01 |
|
3 |
GB/T 43653-2024 |
General technical specifications for delivery and acceptance of iron castings |
|
2024-10-01 |