English Title: | Metallic materials-Rockwell hardness test |
Chinese Title: | 金属洛氏硬度试验方法 |
Standard No.: | GB/T 230-1991 |
Category No.: | H22 |
Issued by: | |
Issued on: | 1991-01-01 |
Implemented on: | 1992-7-1 |
Status: | superseded |
Superseded by: | GB/T 230.1-2004 Metallic Rockwell hardness test—Part 1:Test method(scales A, B, C, D, E, F, G, H, K, N, T))
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Superseded on: | 2004-10-1 |
Abolished on: | |
Superseding: | GB 230-1983
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Word Count: | words |
Similar Standards: |
GB/T 2107-1980
GB/T 1818-1994
GB 6615-1986
GB/T 43354-2023
GB/T 43112-2023
GB/T 43103-2023
GB/T 43115-2023
GB/T 43091-2023
GB/T 5166-2023
GB/T 24179-2023
GB/T 42914-2023
GB/T 42900-2023
GB/T 5482-2023
GB/T 16865-2023
GB/T 22638.11-2023
GB/T 3251-2023
GB/T 8358-2023
GB/T 42903-2023
GB/T 28896-2023
GB/T 41641-2022
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