AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness vs SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
Ratings Comparison
Strength
AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness
10/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
8/10
Corrosion Resistance
AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness
3/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
3/10
Lightweight
AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness
5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
5/10
Machinability
AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness
6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
4/10
Cost Efficiency
AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness
9/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
9/10
Temperature Resistance
AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness
7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
7/10
Properties Comparison
| Property | AISI S7 Tool Steel Properties, S7 Material Heat Treating Hardness | SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness |
|---|---|---|
| Metal Base | Steel | Steel |
| Tensile Strength | 2170.0 MPa | 1020.0 MPa |
| Yield Strength | 1450.0 MPa | 655.0 MPa |
| Elongation | 7.0 % | 17.7 % |
| Hardness (Brinell) | — | 302.0 HB |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |