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.
ISO 6508-3:2005 history
2023ISO 6508-3:2023 Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks
2022ISO 6508-3:2022 Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks
2015ISO 6508-3:2015 Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks
2005ISO 6508-3:2005 Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)
1999ISO 6508-3:1999 Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks (scales A, B, C, D, E, F, G, H, K, N, T)