标准号:ISO 4545-3-2005
中文标准名称:金属材料.努氏硬度试验.第3部分:参考块的校正
英文标准名称:Metallic materials - Knoop hardness test - Part 3: Calibration of reference blocks
标准类型:H22
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:H22
国际标准分类号:77.040.10
适用范围:This part of ISO 4545 specifies the method for the calibration of reference blocks to be used for the indirect verification of Knoop hardness testing machines as specified in ISO 4545-2.
The method is applicable only for indentations with long diagonals ≥ 0,020 mm.