GB/T 230.3-2012 in English
SUPERSEDEDMetallic materials - Rockwell hardness test - Part 3：Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)
- Issued on:2012-12-31
- Implemented on:2013-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$204.00
《GB/T 230.3-2012金属材料 洛氏硬度试验 第3部分：标准硬度块（A、B、C、D、E、F、G、H、K、N、T标尺）的标定》由TC122（全国试验机标准化技术委员会）归口，主管部门为中国机械工业联合会。
Scope
This part of GB/T 230 specifies the standard hardness used for indirect inspection of Rockwell hardness testers (A, B, C, D, E, F, G, H, K, N, T scale) according to GB/T 230.2-2012 block (hereinafter referred to as the standard block) calibration method,
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