模具钢硬度对照表 HRC HV HB硬度换算

硬度对照

• HRC30 = HB283 = HV300
• HRC40 = HB370 = HV400
• HRC45 = HB425 = HV450
• HRC50 = HB480 = HV510
• HRC55 = HB550 = HV580
• HRC60 = HB615 = HV650
• HRC62 = HB650 = HV685