ISO 4547:1993
金属材料 硬度试验 努氏硬度计用标准块的检定
Metallic materials; hardness test; calibration of standardized blocks to be used for Knoop hardness testing machines
- 标准号
- ISO 4547:1993
- 发布
- 1993年
- 发布单位
- 国际标准化组织
- 当前最新
- ISO 4547:1993
- 适用范围
- This Intemational Standard specifies a method for the calibration of standardized metal blocks to be used in accordance with ISO 4546 for the indirect verification of Knoop hardness testing machines used for deter- mining Knoop hardness. The method is applicable only for indentations with long diagonals > 20 un1﹜