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R-74 — Hrb
- Scale
- Hrb
- Hardness Value
- 74
- Approximate Tensile Ksi (ksi)
- 70
- Approximate Tensile Mpa (MPa)
- 483
- Hb (dimensionless)
- 135
- Hrb (dimensionless)
- 74
- HV (dimensionless)
- 135
- Material Class
- Steel