ISO 4546:1993
Metallic materials — Hardness test — Verification of Knoop hardness testing machines
Metallic materials — Hardness test — Verification of Knoop hardness testing machines
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Metallic materials — Hardness test — Verification of Knoop hardness testing machines
Specifies a direct and an indirect method with test forces up to and including 9,807 N applicable only for indentations with long diagonals longer than or equal to 20 micrometres.
| Edition | 1993 |
|---|---|
| Published Date | 1993 |
| Published By | International Standardization Organisation |
| Page Count | 4 |