Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties vs SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
Ratings Comparison
Strength
Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
Corrosion Resistance
Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties
3/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
Lightweight
Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
Machinability
Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties
6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
Cost Efficiency
Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties
9/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
Temperature Resistance
Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties
7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
Properties Comparison
| Property | Q690 Steel, Q690C Q690D Q690E Chemical Composition, Mechanical Properties | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness |
|---|---|---|
| Metal Base | 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 | — | — |