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R-80 — Hrb

Scale
Hrb
Hardness Value
80
Approximate Tensile Ksi (ksi)
77
Approximate Tensile Mpa (MPa)
531
Hb (dimensionless)
150
Hrb (dimensionless)
80
HV (dimensionless)
152
Material Class
Steel
HRB — hardness value 80 · hb 150 dimensionless · hv 152 dimensionless · hrb 80 dimensionless · approximate tensile mpa 531 MPa | Hardness Conversion | Engineering Database