Metallic materials - Rockwell hardness test, Method 2: Verification and calibration of testing machine (scales A, B, C, D, E, F, G, H, K, N, T)
金属材料.洛氏硬度试验 方法2:试验机的验证和校准(刻度A B C D E F G H K N T)
Adopts ISO 6508-2:2005 to specify a method of verification of testing machines for determining Rockwell hardness scales A, B, C, D, E, F, G, H, K, N, T.