Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines (ISO 6506-2:2005); German version EN ISO 6506-2:2005— 23 стр.
Metallic materials - Brinell hardness test - Part 2: Verification and calibration of the hardness testing machines; recommendations according to the verification and for the design of the testing machine and the plunger— 3 стр.
Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines (ISO 6507-2:2005); German version EN ISO 6507-2:2005— 25 стр.
Metallic materials - Vickers hardness test - Part 2: Verification of the testing machines; recommendations according to the verification and for the performance of the testing machine and the plunger— 2 стр.