Ratings Comparison
Strength
321 Stainless Steel Machinability
5/10
AA 7020 Aluminum Alloy
5/10
Corrosion Resistance
321 Stainless Steel Machinability
7/10
AA 7020 Aluminum Alloy
6/10
Lightweight
321 Stainless Steel Machinability
5/10
AA 7020 Aluminum Alloy
9/10
Machinability
321 Stainless Steel Machinability
4/10
AA 7020 Aluminum Alloy
8/10
Cost Efficiency
321 Stainless Steel Machinability
6/10
AA 7020 Aluminum Alloy
7/10
Temperature Resistance
321 Stainless Steel Machinability
7/10
AA 7020 Aluminum Alloy
4/10
Properties Comparison
| Property | 321 Stainless Steel Machinability | AA 7020 Aluminum Alloy |
|---|---|---|
| Metal Base | Stainless Steel | Aluminum |
| Tensile Strength | — | 401.0 MPa |
| Yield Strength | — | 305.5 MPa |
| Elongation | — | 13.8 % |
| Hardness (Brinell) | — | — |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |