DIN 50157-1:2020 Metallic materials - Hardness testing with portable measuring devices operating with mechanical penetration depth - Part 1: Test method
This part of DIN 50157 specifies a method of hardness test for metallic materials with portable measuring instruments operating with mechanical penetration depth.
DIN 50157-1:2020 history
2020DIN 50157-1:2020 Metallic materials - Hardness testing with portable measuring devices operating with mechanical penetration depth - Part 1: Test method
1970DIN 50157-1 E:2019-12 Metallic materials - Hardness testing with portable measuring devices operating with mechanical penetration depth - Part 1: Test method
2019DIN 50157-1 E:2019 Draft Document - Metallic materials - Hardness testing with portable measuring instruments operating with mechanical penetration depth - Part 1: Test method
2008DIN 50157-1:2008 Metallic materials - Hardness testing with portable measuring instruments operating with mechanical penetration depth - Part 1: Test method