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); German version EN 10109-1:1994— 12 стр.
Metallic materials - Rockwell hardness test (scales A, B, C, D, E, F, G, H, K, N, T) - Part 2: Verification and calibration of testing machines (ISO 6508-2:1999); German version EN ISO 6508-2:1999— 12 стр.
Metallic materials - Rockwell hardness test (scales A, B, C, D, E, F, G, H, K, N, T) - Part 1: Test method (ISO 6508-1:1999); German version EN ISO 6508-1:1999— 14 стр.
Hardmetals - Rockwell hardness test (scale A) - Part 2: Preparation and calibration of standard test blocks (ISO 3738-2:1988); German version EN ISO 3738-2:2006— 11 стр.