7055 alloy is heat treatable wrought aluminum alloy.[1] It has high ultimate tensile strength value of 593 MPa.
Chemical Composition
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Element[1]
|
Content (%)
|
Aluminum
|
85.9 - 88.5
|
Zinc
|
7.6 - 8.4
|
Magnesium
|
1.8 - 2.3
|
Copper
|
2 - 2.6
|
Iron
|
≤ 0.15
|
Zirconium
|
0.080 - 0.25
|
Manganese
|
≤ 0.050
|
Chromium
|
≤ 0.040
|
Silicon
|
≤ 0.10
|
Titanium
|
≤ 0.060
|
Other (each)
|
≤ 0.050
|
Other (total)
|
≤ 0.15
|
Properties
|
SI Unit
|
Density[1]
|
2.86 g/cm3
|
Ultimate Tensile Strength[2]
|
593 MPa
|
Elongation at Break[2]
|
9.0% to 12.0%
|
Fracture Toughness[2]
|
24.2 MPa-m½
|
- Aerospace sector[1]
- High strength requirement areas[1]
Aluminum alloy table
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