ISO 4545-4:2017 gives a table for the calculation of Knoop hardness values for use in tests carried out in accordance with ISO 4545‑1.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 4545-4:2017 |
| Product Name | Metallic materials - Knoop hardness test - Part 4: Table of hardness values |