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Based on Rockwell C hardness

Values converted from Rockwell C hardness of steel

Rockwell C hardness
HRC
Vickers hardness
HV
Brinell hardness HB
10 mm ball, 3000 kgf test force
Rockwell hardness HRRockwell superficial hardness
Diamond cone indenter
Shore hardness
HS
Tensile strength (approximate)
標準球Hultgren 球タングステンカーバイド球A スケール HRAB スケール HRBD スケール HRD15-N30-N45-NMPakgf/mm2

Notes

  • References
    • ASTM E140 (paid standard; the source has not been checked)
    • JIS Z 8438 (used for converting tensile strength to kgf/mm²)
Hardness conversion — Based on Rockwell C hardness | Updraft - Mechanical Engineering Calculators