Metallic materials—Rockwell hardness test—Part 3:Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)
MOD ISO 6508-3:2005
全国试验机标准化技术委员会(SAC/TC 122)
GB/T 230的本部分规定了按GB/T 230.2—2012对洛氏硬度计(A、B、C、D、E、F、G、H、K、N、T标尺)间接检验所用标准硬度块(以下简称标准块)的标定方法。
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