7039 Aluminum Alloy Plate description
7039 aluminum alloy is a medium and high strength Al-Zn-Mg aluminum alloy developed by the United States. It has excellent welding performance, elastic resistance and good processing and formability, and is widely used as a gun frame and armor structure. 7039 is used for refrigerated containers, cryogenic equipment and storage boxes, fire-fighting pressure equipment, military equipment, armor plates, and missile installations. 7039 aluminum alloy is an aluminum alloy principally containing zinc (3.5–4.5%) as an alloying element. It is heat treatable wrought aluminum alloy. It is used for making armour suites.
7039 Aluminum Alloy Plate Chemical Composition
Chemical Elements | Metric | English |
Aluminum, Al | 90.5 - 94 % | 90.5 - 94 % |
Chromium, Cr | 0.15 - 0.25 % | 0.15 - 0.25 % |
Copper, Cu | <= 0.10 % | <= 0.10 % |
Iron, Fe | <= 0.40 % | <= 0.40 % |
Magnesium, Mg | 2.3 - 3.3 % | 2.3 - 3.3 % |
Manganese, Mn | 0.10 - 0.40 % | 0.10 - 0.40 % |
Other, each | <= 0.05 % | <= 0.05 % |
Other, total | <= 0.15 % | <= 0.15 % |
Silicon, Si | <= 0.30 % | <= 0.30 % |
Titanium, Ti | <= 0.10 % | <= 0.10 % |
Zinc, Zn | 3.5 - 4.5 % | 3.5 - 4.5 % |
7039 Aluminum Alloy Plate Process Properties
T1 – Cooled from an elevated temperature shaping process and naturally aged to a substantially stable condition.
T2 – Cooled from an elevated temperature shaping process, cold worked, and naturally aged to a substantially stable condition.
T3 – Solution heat treated, cold worked, and naturally aged to a substantially stable condition.
T4 – Solution heat treated, and naturally aged to a substantially stable condition.
T5 – Cooled from an elevated temperature shaping process then artificially aged.
T6 – Solution heat treated then artificially aged.
T7 – Solution heat treated then overaged/stabilized.
T8 – Solution heat treated, cold worked, then artificially aged.
T9 – Solution heat treated, artificially aged, then cold worked.
T10 – Cooled from an elevated temperature shaping process, cold worked, then artificially aged.
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