AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness vs SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
Ratings Comparison
Strength
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
Corrosion Resistance
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
Lightweight
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
Machinability
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
4/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
Cost Efficiency
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
Temperature Resistance
AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness
7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
Properties Comparison
| Property | AISI SS 440 Stainless Steel 440C 440A 440B Material Properties Composition Hardness | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness |
|---|---|---|
| Metal Base | Stainless Steel | 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 | — | — |