SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness vs SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
Ratings Comparison
Strength
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
5/10
Corrosion Resistance
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
7/10
Lightweight
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
5/10
Machinability
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
4/10
Cost Efficiency
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
6/10
Temperature Resistance
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
7/10
Properties Comparison
| Property | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness | SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition |
|---|---|---|
| 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 | — | — |