SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition vs SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
Ratings Comparison
Strength
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
Corrosion Resistance
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
3/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
Lightweight
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
Machinability
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
Cost Efficiency
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
9/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
Temperature Resistance
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
Properties Comparison
| Property | SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness |
|---|---|---|
| Metal Base | Steel | Steel |
| Tensile Strength | 670.0 MPa | 1020.0 MPa |
| Yield Strength | 435.0 MPa | 655.0 MPa |
| Elongation | 25.5 % | 17.7 % |
| Hardness (Brinell) | 197.0 HB | 302.0 HB |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |