English Title: | Standardized blocks of Rockwell hardness |
Chinese Title: | 标准洛氏硬度块 |
Standard No.: | GB/T 2850-1992 |
Category No.: | A67 |
Issued by: | |
Issued on: | 1992-08-29 |
Implemented on: | 1993-4-1 |
Status: | valid |
Superseded by: | GB/T 230.3-2002 Metallic Rockwell hardness tes - Part 3: Calibration of hardness reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)
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Superseded on: | |
Abolished on: | |
Superseding: | GB 2850-1981
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Word Count: | 2500 words |
Similar Standards: |
DB23/T 3615-2023
JJ 1005-1986
GB/T 2850-1992
GB 13270-1991
GB/T 13268-1991
GB/T 13269-1991
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