标准摘要
[中文适用范围]： 规定了用于洛氏硬度试验机和测试硬质合金压头的验证的一级标准试块、二级标准试块和从主标准试块校准的工作标准试块。 ISO 3738 的这一部分应与 ISO 3738-1 一起阅读。 [外文原描述]： Specifies primary standard test blocks, secondary standard test blocks and working standard test blocks calibrated from master standard test blocks to be used for the verification of Rockwell hardness testing machines and indenters for testing hardmetals. This part of ISO 3738 should be read in conjunction with ISO 3738-1.
英文名称Hardmetals — Rockwell hardness test (scale A) — Part 2: Preparation and calibration of standard test blocks