Multi-part Document
BS EN ISO 4545 - Metallic materials. Knoop hardness test
https://doi.org/10.3403/BSENISO4545
This is a multi-part document divided into the following parts:
- Part 1 Metallic materials. Knoop hardness test. Test method
- Part 2 Metallic materials. Knoop hardness test. Verification and calibration of testing machines
- Part 3 Metallic materials. Knoop hardness test. Calibration of reference blocks
- Part 4 Metallic materials. Knoop hardness test. Tables of hardness values