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R-87 — Hrb
- Scale
- Hrb
- Hardness Value
- 87
- Approximate Tensile Ksi (ksi)
- 89
- Approximate Tensile Mpa (MPa)
- 614
- Hb (dimensionless)
- 172
- Hrb (dimensionless)
- 87
- HV (dimensionless)
- 173
- Material Class
- Steel