7150 aluminium alloy

Aluminium 7150 alloy is a heat treatable wrought alloy. It is used in the aerospace industry for manufacturing aircraft components. Heat treatment can improve its anti-corrosion properties with a low corresponding decrease in strength.^[1][2]

Chemical composition

Element[1]	Content (%)
Aluminum	85.9 - 89.5
Zinc	7.2 - 8.2
Magnesium	2 - 2.9
Copper	1.2 - 1.9
Silicon	≤ 0.15
Titanium	≤ 0.10
Iron	≤ 0.20
Chromium	0.10 - 0.22
Manganese	≤ 0.20
Other (total)	≤ 0.15

Properties

Properties	Value
Density[1]	2.84 g/cm3
Ultimate tensile strength[3]	607 MPa
Yield strength[3]	565 MPa
Elongation at break[3]	11%
Fracture toughness[3]	26.4 MPa-m½

Alternate designations

It has the following alternate designations:^[4]

• AA 7150
• AMS 4252A
• 4306A
• 4307S
• 4345A
• UNS A97150

References

1. "7150 aluminum alloy". 8 May 2013. Archived from the original on 2013-05-25.
2. "Aluminum alloy 7150 pdf" (PDF). Archived (PDF) from the original on 2021-01-08.
3. "Aluminum 7150 properties".
4. Aluminum alloy 7150. 15 June 2019. doi:10.31399/asm.hb.v02b.a0006742. S2CID 240497092.

External links

1. Sun, Rui-ji; Sun, Qing-qing; Xie, Yue-huang; Dong, Peng-xuan; Chen, Qi-yuan; Chen, Kang-hua (1 May 2016). "Enhancing corrosion resistance of 7150 Al alloy using novel three-step aging process". Transactions of Nonferrous Metals Society of China. 26 (5): 1201–1210. doi:10.1016/S1003-6326(16)64192-4.
2. http://www.icaa-conference.net/ICAA12/pdf/P046.pdf
3. https://www.researchgate.net/publication/240427022_Hot_deformation_behavior_of_7150_aluminum_alloy_during_compression_at_elevated_temperature
4. https://www.researchgate.net/publication/286794197_Mechanical_properties_and_exfoliation_behavior_of_7150-RRA_aluminum_alloy_retrogressed_at_175C
5. https://inis.iaea.org/search/search.aspx?orig_q=RN:44025414

Aluminium alloy table