Model HRM-45 serves to determine the superficial Rockwell hardness of hardnetals, carburized, nitrided layers, and other chemical freating layers, it is also used to for hardness thin of thiner pieces.
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释义
HRM-45型表面洛氏硬度计适用于硬氏合金、渗碳、氮化层和其他化学处理层及薄形零件的硬度测定。
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