JJG 113-2013
Metallic Rockwell Hardness Reference Blocks (Scales A, B, C, D, E, F, G, H, K, N, T) (English Version)

Standard No.

JJG 113-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

National Metrological Verification Regulations of the People's Republic of China

Status

Withdraw

Replace By

JJG 113-2014

Latest

JJG 113-2014

Replace

JJG 113-2003

Scope

This procedure is applicable to the initial verification, subsequent verification and in-use inspection of standard metal Rockwell hardness blocks (A, B, C, D, E, F, G, H, K, N, T scales).

JJG 113-2013 Referenced Document

• JJG 21-2008 Verification Regulation of Micrometer
• JJG 28-2000 Verification Regulation of Optical Flats*， 2024-04-20 Update

JJG 113-2013 history

• 1970 JJG 113-2014 Single Wheel Lateral Force Coefficient Tester
• 2013 JJG 112-2013 Metallic Rockwell Hardness Testing Machines (Scales A, B, C, D, E, F, G, H, K, N, T)
• 2003 JJG 112-2003 Verification Regulation of Metallic Rockwell Hardness Testers (scales A,B,C,D,E,F,G,H,K,N,T)
• 1993 JJG 334-1993 Verification Regulation of Diamond Indenter
• 0000 JJG 334-1983