SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness vs SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
Ratings Comparison
Strength
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
5/10
Corrosion Resistance
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
7/10
Lightweight
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
5/10
Machinability
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
4/10
Cost Efficiency
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
6/10
Temperature Resistance
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning
7/10
Properties Comparison
| Property | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness | SUS304 Stainless Steel Material Properties, Chemical Composition, Meaning |
|---|---|---|
| Metal Base | Steel | Stainless Steel |
| Tensile Strength | 1020.0 MPa | — |
| Yield Strength | 655.0 MPa | — |
| Elongation | 17.7 % | — |
| Hardness (Brinell) | 302.0 HB | — |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |