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to Properties of steels and cast irons
(submitted by the website administration)
| SAE 6150 | ||||
| Chemical composition: C=0.50%, Mn=0.8%, Cr=0.95%, V=0.15%min | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 7.872 *10³ | kg/m³ | 491.4 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 205 | GPa | 29700 | ksi |
| Thermal expansion (20 ºC) | 12.2*10-6 | ºCˉ¹ | 6.78*10-6 | in/(in* ºF) |
| Specific heat capacity | 477 | J/(kg*K) | 0.114 | BTU/(lb*ºF) |
| Thermal conductivity | 46.6 | W/(m*K) | 323 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 2.34*10-7 | Ohm*m | 2.34*10-5 | Ohm*cm |
| Tensile strength (annealed) | 667 | MPa | 96800 | psi |
| Yield strength (annealed) | 412 | MPa | 59800 | psi |
| Elongation (annealed) | 23 | % | 23 | % |
| Hardness (annealed) | 92 | RB | 92 | RB |
| Tensile strength (normalized) | 940 | MPa | 136300 | psi |
| Yield strength (normalized) | 616 | MPa | 89300 | psi |
| Elongation (normalized) | 21 | % | 21 | % |
| Hardness (normalized) | 28 (104) | RC (RB) | 28 (104) | RC (RB) |