JJG 151-2020
Falling Ball Resilience Modulus Tester (English Version)

Standard No.

JJG 151-2020

Language

Chinese, Available in English version

Published By

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

Latest

JJG 151-2020

JJG 151-2020 history

• 1970 JJG 151-2020 Falling Ball Resilience Modulus Tester
• 2013 JJG 112-2013 Metallic Rockwell Hardness Testing Machines (Scales A, B, C, D, E, F, G, H, K, N, T)
• 2006 JJG 151-2006 Verification Regulation of Metallic Vickers Hardness Testers
• 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
• 1991 JJG 151-1991 Verification Regulation of Metal Vickers Hardness Tester
• 0000 JJG 334-1983