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R-72 — Hrb
- Scale
- Hrb
- Hardness Value
- 72
- Approximate Tensile Ksi (ksi)
- 67
- Approximate Tensile Mpa (MPa)
- 462
- Hb (dimensionless)
- 130
- Hrb (dimensionless)
- 72
- HV (dimensionless)
- 131
- Material Class
- Steel