EngiRef / Carbon Steel Properties
AISI 4130 Chromoly Steel
AISI 4130 Chromoly Steel (AISI 4130): carbon steel engineering material. Density 7850 kg/m³. Yield 460 MPa, ultimate 560 MPa. Elastic modulus 205 GPa.
carbon-steel
Specification
- Name
- AISI 4130 Chromoly Steel
- Category
- carbon-steel
- Designation
- AISI 4130
- Applications
- Aircraft tubing, Bicycle frames, Roll cages, Automotive components
- Notes
- Chrome-moly alloy. Excellent weldability. Popular in aerospace and motorsports. Strength values are for the ANNEALED condition — quenched and tempered 4130 is substantially stronger.
Properties
| Property | Value |
|---|---|
| Density | 7850 kg/m³ |
| Tensile Strength Yield | 460 MPa |
| Tensile Strength Ultimate | 560 MPa |
| Elastic Modulus | 205 GPa |
| Shear Modulus | 80 GPa |
| Poissons Ratio | 0.29 |
| Thermal Conductivity | 42.7 W/(m·K) |
| Thermal Expansion | 12.2 µm/(m·K) |
| Specific Heat | 477 J/(kg·K) |
| Melting Point | 1432 °C |
| Hardness | Brinell: 217, Rockwell B: B95 |