标准编号：ISO 4545-3:2017
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：2017-12
标准范围
This document 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.
标准预览图
立即下载标准文件