Hardness Conversion Charts - ::标乐 材料分析设备和技术的领先者
2 Hardness Conversion Chart for Non-Austenitic Steels (Rockwell C Range) HV HK HRC HRA HRD HR15N HR30N HR45N HBW 520 547 50.4 75.9 63.3 85.7 68.8 55.2 488 510 535 49.7 75.6 62.8 85.4 68.2 54.4 479 500 524 49.0 75.2 62.3 85.0 67.5 53.6 470 490 ......