7039 aluminium alloy

AA 7039 is an aluminum alloy principally containing zinc (3.5–4.5%) as an alloying element. It also contains 0.30% silicon, 0.40% iron, 0.10% copper, 0.10–0.40% manganese, 2.3–3.3% magnesium, 0.15–0.25% chromium, 0.10% titanium and up to 0.15% trace elements.^[1]^:11 The density of 7039 aluminium is 2740 kg/m³.^[1]^:19

This alloy was first registered in 1962, in the United States.^[1]^:11

References

1 2 3 International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys, February 2009

Further reading

"Properties of Wrought Aluminum and Aluminum Alloys: 7039", Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, Vol 2, ASM Handbook, ASM International, 1990, p. 109-111.

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