Metallic materials - Rockwell hardness test, Method 3: Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-3:2005, MOD)
金属材料.洛氏硬度试验 方法3:标准试块的校准(标度A B C D E F G H K N T)(ISO 6508-3-2005 MOD)
Adopts ISO 6508-2:2005 with national modifications to specify a method for the calibration of reference blocks to be used for the indirect verification of Rockwell hardness testing machines for scales A, B, C, D, E, F, G, H, K, N, T.