Standard No.:	GB/T 230.3-2012
English Name:	Metallic materials - Rockwell hardness test - Part 3：Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)
Chinese Name:	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
Chinese Classification:	N71    Metal material testing machine
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ;SAC
Issued on:	2012-12-31
Implemented on:	2013-6-1
Status:	superseded
Superseded by:	GB/T 230.3-2022 Metallic materials—Rockwell hardness test—Part 3:Calibration of reference blocks
Superseded on:	2023-2-1
Superseding:	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)
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1~3 business day

GB/T230的本部分规定了按GB/T230.2—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。