GB/T 230.3-2022
Metallic materials—Rockwell hardness test—Part 3:Calibration of reference blocks (English Version)

Standard No.

GB/T 230.3-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 230.3-2022

Replace

GB/T 230.3-2012

Scope

This document specifies the standard hardness block (hereinafter referred to as

GB/T 230.3-2022 Referenced Document

• GB/T 230.1-2018 Metallic materials.Rockwell hardness test.Part 1:Test method
• GB/T 230.2-2022 Metallic materials—Rockwell hardness test—Part 2: Verification and calibration of testing machines and indenters
• JJG 144 Pile height strain gauge

GB/T 230.3-2022 history

• 2022 GB/T 230.3-2022 Metallic materials—Rockwell hardness test—Part 3:Calibration of reference blocks
• 2012 GB/T 230.3-2012 Metallic materials.Rockwell hardness test.Part 3:Calibration of reference blocks (scales A,B,C,D,E,F,G,H,K,N,T)
• 2002 GB/T 230.3-2002 Metallic Rockwell hardness test--Part 3: Calibration of hardness reference blocks (scales A,B,C,D,E,F,G,H,K,N,T)

GB/T 230.3-2022 -All Parts