Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 27552-2021 |
Destructive tests on welds in metallic materials—Microhardness testing of welded joints 金属材料焊缝破坏性试验 焊接接头显微硬度试验 |
China National Standards materials—Microhardness |
English PDF |
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