TCVN 257-1-2007
Metallic materials.Rockwell hardness test.Part 1:Test method(scales A, B, C, D, E, F, G, H, K, N, T)

Standard No.

TCVN 257-1-2007

Release Date

2007

Published By

VN-TCVN

Latest

TCVN 257-1-2007

TCVN 257-1-2007 history

• 2007 TCVN 257-1-2007 Metallic materials.Rockwell hardness test.Part 1:Test method(scales A, B, C, D, E, F, G, H, K, N, T)