标准编号：ISO 4545-3:2005
中文名称：金属材料 努氏硬度试验-第3部分： 参考试件的校准
英文名称：Metallic materials — Knoop hardness test — Part 3: Calibration of reference blocks
发布日期：2005-11
标准范围
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.
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