SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness vs SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
Ratings Comparison
Strength
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
5/10
Corrosion Resistance
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
7/10
Lightweight
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
5/10
Machinability
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
4/10
Cost Efficiency
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
6/10
Temperature Resistance
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness
7/10
Properties Comparison
| Property | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness | SS904L AISI 904L Stainless Steel (UNS N08904) Material Properties, Composition, Hardness |
|---|---|---|
| Metal Base | Steel | Stainless Steel |
| Tensile Strength | 1020.0 MPa | 490.0 MPa |
| Yield Strength | 655.0 MPa | 220.0 MPa |
| Elongation | 17.7 % | 35.0 % |
| Hardness (Brinell) | 302.0 HB | — |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |