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7075 aluminium alloy is an aluminium alloy, with zinc as the primary alloying element. It has excellent mechanical properties, and exhibits good ductility, high strength, toughness and good resistance to fatigue. It is more susceptible to embrittlement than many other aluminium alloys because of microsegregation, but has significantly better corrosion resistance than the 2000 alloys. It is one of the most commonly used aluminium alloy for highly stressed structural applications, and has been extensively utilized in aircraft structural parts.
| Chemical Composition | ||||||||||
| Range | Si | Fe | Cu | Mn | Mg | Cr | Zn | each | total | Aluminum |
| Min. | - | - | 1.2 | - | 2.1 | 0.18 | 5.1 | - | - | Allowance |
| Max | 0.40 | 0.50 | 2.0 | 0.30 | 2.9 | 0.28 | 6.1 | 0.05 | 0.15 | |


7075 Aluminum Bar is one of the strongest aluminum alloys. Its use parallels that of 2024, with 7075 selected when higher mechanical properties are desired. 7075 Aluminum bar is an aluminum-zinc alloy with 1%-8% zinc in addition to small amounts of magnesium and small quantities of copper and chromium. 7075 Bar alloy is precipitation hardened to very high strength levels. Alloy 7075 is used in airframe structures and other highly stressed components.
Feature of 7075 Aluminum Bar :
1. High-strength heat-treatable alloy.
2. Good mechanical properties.
3. Good usability.
4. Easy to process, good wear resistance.
5. Good corrosion resistance and oxidation resistance.
Application of 7075 Aluminum Bar :
Aircraft fittings, gears and shafts, fuse parts, meter shafts and gears, missile parts, regulating valve parts, worm gears, keys, aircraft, aerospace and defense applications; bike frames, all terrain vehicle sprockets.

Southwest Aluminum (Kunshan) Co.,Ltd has focused on top quality aluminum alloy ports over 20 years in China. We started as o small operation, but now have become one of the leading suppliers in the aluminum industry in China.
Today, Southwest Aluminum (Kunshan) Co.,Ltd has been one of the top producers of quality aluminum alloy parts such as: 7075 seamless aluminum tube, aviation grade aluminum tent pole/aluminum rods and other custom made aluminum parts.



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