Nominal Composition (Mass %) and Physical Properties
Co | Cr | Mo | C | Si | Others | Hardness | Density | Melting Range | |
T-400 | Base | 8.5 | 28 | <0.08 | 2.5 | Ni, Fe |
51-58 HRC | 8.90 g/cm3 0.325 lb/in3 |
1288-1340ºC 2350-2440ºF |
T-400C | Base | 14 | 27 | <0.08 | 2.6 | Ni, Fe | 48-56 HRC | 8.86 g/cm3 0.320 lb/in3 |
1315-1335ºC 2400-2435ºF |