Aluminium, Commercial Alloy
7075 T6 Bar & Extrusions
A high strength aerospace aluminium alloy.
7075 aluminium alloy is an aluminium alloy, with zinc as the primary alloying element. It is one of the most commonly used aluminium alloy for highly stressed structural applications, where the need for good corrosion resistance is not important.
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7075 T6 Aluminium Related Specifications
| System / Standard | Country / Region | Grade / Designation |
| AA | USA | 7075-T6 |
| UNS | International | A97075 (7075-T6) |
| EN / DIN | Europe | EN AW-7075-T6 / 3.4365 |
| EN Name | Europe | AlZn5.5MgCu-T6 |
| GB | China | 7A09-T6 (equivalent to 7075-T6) |
| JIS | Japan | A7075-T6 |
| BS | UK | 7075-T6 (L95, high-strength wrought alloy) |
| AFNOR | France | A-Z5GU-T6 |
Properties
Chemical Composition
Alloy 7075
| Chemical Element | % Present |
| Silicon (Si) | 0.00 - 0.40 |
| Iron (Fe) | 0.00 - 0.50 |
| Copper (Cu) | 1.20 - 2.00 |
| Manganese (Mn) | 0.00 - 0.30 |
| Chromium (Cr) | 0.18 - 0.28 |
| Magnesium (Mg) | 2.10 - 2.90 |
| Zinc (Zn) | 5.10 - 6.10 |
| Titanium (Ti) | 0.00 - 0.20 |
| Other (Each) | 0.00 - 0.05 |
| Others (Total) | 0.00 - 0.15 |
| Aluminium (Al) | Balance |
Mechanical Properties
Drawn Bar Up to 25mm
| Mechanical Property | Value |
| Proof Stress | 480 Min MPa |
| Tensile Strength | 540 Min MPa |
| Elongation A50 mm | 7 Min % |
General Physical Properties
| Physical Property | Value |
| Density | 2.80 g/cm³ |
| Melting Point | 635 °C |
| Thermal Expansion | 23.5 x 10-6/K |
| Modulus of Elasticity | 72 GPa |
| Thermal Conductivity | 130 W/m.K |
| Electrical Resistivity | 40 % IACS |
Applications
- Aircraft structures
- Gears and shafts
- Automotive
- Bicycle components
- Rock climbing equipment
Characteristics
- Excellent mechanical properties
- Good ductility
- High strength and toughness
- Good resistance to fatigue
- Superior stress corrosion resistance
