Sumário
AA 7020 Aluminum Alloy and AA 7055 Aluminum Alloy are both aluminum alloys commonly used in engineering applications. 7020 Aluminum offers a tensile strength of 401 MPa compared to 7055 Aluminum's 654 MPa.
Key Differences
- ◆ {'alloy_a': '401 MPa', 'alloy_b': '654 MPa', 'property': 'Tensile Strength'}
- ◆ {'alloy_a': '305.5 MPa', 'alloy_b': '595 MPa', 'property': 'Yield Strength'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Hardness (Brinell)'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Density'}
- ◆ {'alloy_a': 'N/A', 'alloy_b': 'N/A', 'property': 'Melting Point'}
- ◆ {'alloy_a': '5/10', 'alloy_b': '6/10', 'property': 'Strength Rating'}
- ◆ {'alloy_a': '6/10', 'alloy_b': '6/10', 'property': 'Corrosion Rating'}
- ◆ {'alloy_a': '7/10', 'alloy_b': '7/10', 'property': 'Cost Rating'}
- ◆ {'alloy_a': '8/10', 'alloy_b': '8/10', 'property': 'Machinability Rating'}
- ◆ {'alloy_a': '4/10', 'alloy_b': '4/10', 'property': 'Temperature Rating'}
- ◆ {'alloy_a': '9/10', 'alloy_b': '9/10', 'property': 'Weight Rating'}
Ratings Comparison
Strength
AA 7020 Aluminum Alloy
5/10
AA 7055 Aluminum Alloy
6/10
Corrosion Resistance
AA 7020 Aluminum Alloy
6/10
AA 7055 Aluminum Alloy
6/10
Lightweight
AA 7020 Aluminum Alloy
9/10
AA 7055 Aluminum Alloy
9/10
Machinability
AA 7020 Aluminum Alloy
8/10
AA 7055 Aluminum Alloy
8/10
Cost Efficiency
AA 7020 Aluminum Alloy
7/10
AA 7055 Aluminum Alloy
7/10
Temperature Resistance
AA 7020 Aluminum Alloy
4/10
AA 7055 Aluminum Alloy
4/10
Properties Comparison
| Property | AA 7020 Aluminum Alloy | AA 7055 Aluminum Alloy |
|---|---|---|
| Metal Base | Aluminum | Aluminum |
| Tensile Strength | 401.0 MPa | 654.0 MPa |
| Yield Strength | 305.5 MPa | 595.0 MPa |
| Elongation | 13.8 % | 10.0 % |
| Hardness (Brinell) | — | — |
| Elastic Modulus | — | — |
| Density | — | — |
| Melting Point | — | — |
| Thermal Conductivity | — | — |
| Weldable | — | — |
| Heat Treatable | — | — |
| Magnetic | — | — |
When to Use AA 7020 Aluminum Alloy
Choose 7020 Aluminum when your application specifically requires this aluminum alloy's unique combination of properties and industry certifications.
When to Use AA 7055 Aluminum Alloy
Choose 7055 Aluminum when you need superior strength.
Frequently Asked Questions
Which is stronger, 7020 or 7055?
7020 has a tensile strength of 401 MPa while 7055 reaches 654 MPa, making 7055 the stronger alloy in ultimate tensile terms. For yield strength, 7020 is rated at 305.5 MPa versus 595 MPa for 7055.
Does 7020 or 7055 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 6/10.
Is 7020 or 7055 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 7020 scores 8/10 and 7055 scores 8/10.
Which is more cost-effective, 7020 or 7055?
Both alloys are similarly priced with a cost rating of 7/10.
Can I use 7020 instead of 7055 for aerospace applications?
Strength ratings: 7020 5/10 vs 7055 6/10. Always validate substitution against your specific design codes and operating conditions.