Hardness Conversion Calculator Home Welding Welding Calculator Hardness Conversion (ASTM E140) Enter Hardness Value: Convert From: HV: Vickers HB: Brinell (3000kg) HK: Knoop HRA: Rockwell A HRB: Rockwell B HRC: Rockwell C HRD: Rockwell D HR15N: Superficial 15N HR30N: Superficial 30N HR45N: Superficial 45N HSc: Scleroscope Convert To: HV: Vickers HB: Brinell (3000kg) HRC: Rockwell C Converted Result: --- Calculate
