AA 7005 Aluminum Alloy vs AA 7020 Aluminum Alloy

개요

AA 7005 Aluminum Alloy and AA 7020 Aluminum Alloy are both aluminum alloys commonly used in engineering applications. 7005 Aluminum offers a tensile strength of 3.5E+2 MPa compared to 7020 Aluminum's 401 MPa.

Key Differences

Ratings Comparison

Strength

AA 7005 Aluminum Alloy 5/10
AA 7020 Aluminum Alloy 5/10

Corrosion Resistance

AA 7005 Aluminum Alloy 6/10
AA 7020 Aluminum Alloy 6/10

Lightweight

AA 7005 Aluminum Alloy 9/10
AA 7020 Aluminum Alloy 9/10

Machinability

AA 7005 Aluminum Alloy 8/10
AA 7020 Aluminum Alloy 8/10

Cost Efficiency

AA 7005 Aluminum Alloy 7/10
AA 7020 Aluminum Alloy 7/10

Temperature Resistance

AA 7005 Aluminum Alloy 4/10
AA 7020 Aluminum Alloy 4/10

Properties Comparison

Property AA 7005 Aluminum Alloy AA 7020 Aluminum Alloy
Metal Base Aluminum Aluminum
Tensile Strength 350.0 MPa 401.0 MPa
Yield Strength 290.0 MPa 305.5 MPa
Elongation 13.0 % 13.8 %
Hardness (Brinell)
Elastic Modulus
Density
Melting Point
Thermal Conductivity
Weldable
Heat Treatable
Magnetic

When to Use AA 7005 Aluminum Alloy

Choose 7005 Aluminum when your application specifically requires this aluminum alloy's unique combination of properties and industry certifications.

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.

Frequently Asked Questions

Which is stronger, 7005 or 7020?
7005 has a tensile strength of 3.5E+2 MPa while 7020 reaches 401 MPa, making 7020 the stronger alloy in ultimate tensile terms. For yield strength, 7005 is rated at 2.9E+2 MPa versus 305.5 MPa for 7020.
Does 7005 or 7020 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 6/10.
Is 7005 or 7020 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 7005 scores 8/10 and 7020 scores 8/10.
Which is more cost-effective, 7005 or 7020?
Both alloys are similarly priced with a cost rating of 7/10.
Can I use 7005 instead of 7020 for aerospace applications?
Strength ratings: 7005 5/10 vs 7020 5/10. Always validate substitution against your specific design codes and operating conditions.

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