EN 10109-1:1994 Metallic Materials - Hardness Test - Part 1: Rockwell Test (Scales A, B, C, D, E, F, G, H, K) and Rockwell Superficial Test (Scales 15N, 30N, 45N, 15T, 30T and 45T)
1994EN 10109-1:1994 Metallic Materials - Hardness Test - Part 1: Rockwell Test (Scales A, B, C, D, E, F, G, H, K) and Rockwell Superficial Test (Scales 15N, 30N, 45N, 15T, 30T and 45T)