to Carbon steels
to Properties of steels and cast irons
(submitted by the website administration)
| SAE 1020 | ||||
| Chemical composition: C=0.20%, Mn=0.45%, 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 | 200 | GPa | 29000 | ksi |
| Thermal expansion (20 ºC) | 11.9*10-6 | ºCˉ¹ | 6.61*10-6 | in/(in* ºF) |
| Specific heat capacity | 486 | J/(kg*K) | 0.116 | BTU/(lb*ºF) |
| Thermal conductivity | 51.9 | W/(m*K) | 360 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 1.59*10-7 | Ohm*m | 1.59*10-5 | Ohm*cm |
| Tensile strength (hot rolled) | 380 | MPa | 55100 | psi |
| Yield strength (hot rolled) | 165 | MPa | 29700 | psi |
| Elongation (hot rolled) | 25 | % | 25 | % |
| Hardness (hot rolled) | 66 | RB | 66 | RB |
| Tensile strength (cold drawn) | 420 | MPa | 60900 | psi |
| Yield strength (cold drawn) | 205 | MPa | 50800 | psi |
| Elongation (cold drawn) | 15 | % | 15 | % |
| Hardness (cold drawn) | 73 | RB | 73 | RB |