to Carbon steels
to Properties of steels and cast irons
(submitted by the website administration)
| SAE 1070 | ||||
| Chemical composition: C=0.70%, Mn=0.75%, P=0.04% max, S=0.05% max | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 7.872 *10³ | kg/m³ | 491.4 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 201 | GPa | 29200 | ksi |
| Thermal expansion (20 ºC) | 12.1*10-6 | ºCˉ¹ | 6.72*10-6 | in/(in* ºF) |
| Specific heat capacity | 490 | J/(kg*K) | 0.117 | BTU/(lb*ºF) |
| Thermal conductivity | 51.2 | W/(m*K) | 355 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 1.68*10-7 | Ohm*m | 1.68*10-5 | Ohm*cm |
| Tensile strength(cold drawn and annealed) | 640 | MPa | 92800 | psi |
| Yield strength(cold drawn and annealed) | 495 | MPa | 71800 | psi |
| Elongation(cold drawn and annealed) | 10 | % | 10 | % |
| Hardness(cold drawn and annealed) | 91 | RB | 91 | RB |
| Tensile strength (hot rolled) | 703 | MPa | 102000 | psi |
| Yield strength (hot rolled) | 385 | MPa | 55800 | psi |
| Elongation (hot rolled) | 12 | % | 12 | % |
| Hardness (hot rolled) | 94 | RB | 94 | RB |