AA 7039 is an aluminum alloy principally containing zinc (3.5–4.5%) as an alloying element. It is heat treatable wrought aluminum alloy.[1] It is used for making armour suites.
| No | Element[1] | Content (%) |
|---|---|---|
| 1 | Aluminum, Al | Remainder |
| 2 | Zinc, Zn | 3.5 - 4.5 |
| 3 | Magnesium, Mg | 2.3 - 3.3 |
| 4 | Silicon, Si | 0.3 max |
| 5 | Iron, Fe | 0.4 max |
| 6 | Chromium, Cr | 0.15 - 0.25 |
| 7 | Manganese, Mn | 0.1 - 0.4 |
| 8 | Copper, Cu | 0.1 max |
| 9 | Titanium, Ti | 0.1 max |
| 10 | Remainder (total) | 0.15 max |
| No | Properties[1] | Metric |
|---|---|---|
| 1 | Density | 2.74 g/cm3 |
| 2 | Melting point | 482-638°C |
| No | Properties[1] | Metric |
|---|---|---|
| 1 | Tensile strength | 450 MPa |
| 2 | Yield strength | 380 MPa |
| 3 | Elongation at break | 13% |
| 4 | Elastic modulus | 69.6 GPa |
| 5 | Shear strength | 255 MPa |
Aluminium 7039 alloy is chiefly used as an armor alloy. It is used for making armor suite.[2]
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| Introduction |
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| Al 1000 series (pure) |
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| Al-Cu 2000 series |
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| Al-Mn 3000 series |
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| Al-Si 4000 series |
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| Al-Mg 5000 series |
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| Al-Mg-Si 6000 series |
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| Al-Zn 7000 series |
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| 8000 series (misc.) |
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| Named alloys |
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