ISO 4547-1993 标准详情
- 标准号:ISO 4547-1993
- 中文标题:金属材料;硬度测试;努氏硬度测试机用的标准块校准
- 英文标题:metallic materials; hardness test; calibration of standardized blocks to be used for knoop hardness testing machines
- 标准类别:国际标准化组织标准ISO
- 发布日期:1993-04-01
Applies only for determining Knoop hardness in accordance with ISO 4545 giving indentations with long diagonals longer than or equal to 20 micrometres. Describes manufacture of the block, standardizing machine, standardizing procedure, number of inde
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