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R-68 — Hrb

Scale
Hrb
Hardness Value
68
Approximate Tensile Ksi (ksi)
62
Approximate Tensile Mpa (MPa)
427
Hb (dimensionless)
121
Hrb (dimensionless)
68
HV (dimensionless)
123
Material Class
Steel
HRB — hardness value 68 · hb 121 dimensionless · hv 123 dimensionless · hrb 68 dimensionless · approximate tensile mpa 427 MPa | Hardness Conversion | Engineering Database