STN - Slovak standards

Metallic materials - Leeb hardness test - Part 1: Test method (ISO 16859-1:2015)

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Metallic materials - Leeb hardness test - Part 2: Verification and calibration of the testing devices (ISO 16859-2:2015)

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Metallic materials - Leeb hardness test - Part 3: Calibration of reference test blocks (ISO 16859-3:2015)

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Metal testing. Brinell hardness test for temperatures up to and including 400 °C

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Metallic materials - Rockwell hardness test - Part 1: Test method (ISO 6508-1:2023)

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Metallic materials - Rockwell hardness test - Part 2: Verification and calibration of testing machines and indenters (ISO 6508-2:2023)

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Metallic materials - Rockwell hardness test - Part 3: Calibration of reference blocks (ISO 6508-3:2023)

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Metallic materials - Rockwell hardness test - Part 1: Test method (ISO 6508-1:2015)

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Metallic materials. Rockwell hardness test. Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-1:1999)

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Metallic materials - Rockwell hardness test - Part 1: Test method (ISO 6508-1:2016)

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