DS DS/EN ISO 6508-3
DS DSEN SO 6508-3 2006-JAN-19 Metallc materals - Rockwell hardness test - Part 3 Calbraton of reference blocks scales A B C D E F G H K N T
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This part of ISO 6508 specifies a method for the calibration of reference blocks to be used for the indirect
verification of Rockwell hardness testing machines (scales A, B, C, D, E, F, G, H, K, N, T), as specified in
ISO 6508-2.