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| International Standard Category: Mechanical testing of metals |
GB/T 39152-2020 Test method of the bending stress relaxation for copper and copper alloy
铜及铜合金弯曲应力松弛试验方法 ;
| Category No.: | 77.040.10 | Valid Status: | to be valid |
| Issued Organization: | SAMR and SAMR | Issued Date: | 2020-10-11 |
| Implemented Date: | 2021-9-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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