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R-69 — Hrb
- Scale
- Hrb
- Hardness Value
- 69
- Approximate Tensile Ksi (ksi)
- 63
- Approximate Tensile Mpa (MPa)
- 434
- Hb (dimensionless)
- 123
- Hrb (dimensionless)
- 69
- HV (dimensionless)
- 125
- Material Class
- Steel