明工社~硬度對照表

硬度對照表 HV HRA HRB HRC HRD 940 85.6-68 76.9 920 85.3-67.5 76.5 900 85-67 76.1 880 84.7-66.4 75.7 860 84.4-65.9 75.3 840 84.1-65.3 74.8 820 83.8-64.7 74.3 800 83.4-64.0 73.8 780 83.0-63.3 73.3 760 82.6-62.5 72 ...

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