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What is 7075 aluminum alloy?

November 24, 2022

7075 aluminum alloy is a cold treated forging alloy with high strength, much better than mild steel. 7075 is one of the most powerful commercial alloys. 7075 materials are generally added with a small amount of copper, chromium and other alloys. Among them, 7075-T651 aluminum alloy is particularly superior. It is known as the best product of aluminum alloy, with high strength and superior to any mild steel. The alloy has good mechanical properties and anodic reaction. Its representative uses include aerospace, mold processing, mechanical equipment, tooling and fixtures, especially for manufacturing aircraft structures and other high stress structures with high strength and corrosion resistance. How to know what 7075 aluminum alloy is? Let Noble Smart Manufacturing tell you

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National standard: 7A09 GB/T3190 -- 1996
Japanese standard: A7075 JIS H4000-1999 JIS H4080-1999
Non standard: 76,528 IS 733-2001 IS737-2001
Russian standard: B95/1950 rocT 4785-1974
EN:EN AW-7075/AlZn5.5MgCu EN573-3-1994
German standard: AlZnMgCu1.5/3.4365 DIN172.1-1986/w-nr
French standard: 7075 (A-Z5GU) NFA50-411 NFA50-451
British Standard: 7075 (C77S) BS 1470-1988
American standard: 7075/A97075 AA/UNS
physical characteristics
Tensile strength: 524Mpa
0.2% yield strength: 455Mpa
Elastic modulus E: 71GPa
Hardness: 150HB
Density: 2.81g/cm ^ 3

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Main purpose
Aerospace industry, blow molding (bottle) mold, ultrasonic plastic welding mold, golf ball head, shoe mold, paper plastic mold, foam molding mold, wax removal mold, model, fixture, mechanical equipment, mold processing, used to make high-end aluminum alloy bicycle frame.
chemical composition
Silicon Si: 0.40
Fe: 0.50
Copper: 1.2-2.0
Manganese Mn: 0.30
Mg: 2.1-2.9
Chromium Cr: 0.18-0.28
Zinc: 5.1-6.1
Titanium: 0.20
Aluminum Al: allowance
Others: single: 0.05 Total: 0.15

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1. High strength heat treatable alloy.
2. Good mechanical performance.
3. Good usability.
4. It is easy to process and has good wear resistance.
5. Good corrosion resistance and oxidation resistance.
mechanical property
1. Tensile strength σ b (MPa):≥560
2. Elongation stress σ p0.2 (MPa):≥495
3. Elongation δ 5 (%):≥6
Note: Mechanical properties of seamless pipe
Sample size: diameter>12.5