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Home > Aluminium > Aluminium Grade > 7075 Aluminium
7075 Aluminium is one of the strongest aluminium alloys available, commonly used in high-stress applications due to its high strength-to-weight ratio, excellent fatigue resistance, and good machinability. It offers fair corrosion resistance and is often utilized in aerospace, automotive, and marine industries. 7075 Aluminium is known for its excellent mechanical properties, making it ideal for use in parts like aircraft wings, fuselage frames, and structural components. Solitaire Steel & Engineering LLP, based in Khetwadi, Mumbai, India, is a leading supplier and exporter of 7075 Aluminium sheets, plates, tubes, pipes, bars, angles, channels, and fittings. Our high-quality products meet stringent international standards and are widely trusted by industries for their performance and durability.
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| Property | Value |
| Density | 2.81 g/cm³ |
| Melting Point | 477 – 635 °C |
| Modulus of Elasticity | 71.7 GPa |
| Thermal Expansion | 23.5 x 10⁻⁶ /K |
| Thermal Conductivity | 130 W/m·K |
| Specific Heat Capacity | 870 J/kg·K |
| Property | Value (T6 Temper) |
| Tensile Strength | 572 MPa |
| Yield Strength | 503 MPa |
| Elongation | 7-13% |
| Hardness (Brinell) | 150 HB |
| Shear Strength | 330 MPa |
| Property | Value |
| Electrical Conductivity | 30-40% IACS |
| Electrical Resistivity | 0.051 μΩ·m |
| Property | Value |
| Reflectivity | 70-80% |
| Surface Finish | Bright, Matte, Polished |
| Property | Value |
| Thermal Conductivity | 130 W/m·K |
| Specific Heat Capacity | 870 J/kg·K |
| Thermal Expansion | 23.5 x 10⁻⁶ /K |
| Property | Value |
| Workability | Good |
| Weldability | Fair |
| Machinability | Excellent |
| Corrosion Resistance | Fair to Good |
| Anodizing Quality | Good |
| Element | Composition (%) |
| Aluminium (Al) | Balance |
| Zinc (Zn) | 5.1 – 6.1 |
| Magnesium (Mg) | 2.1 – 2.9 |
| Copper (Cu) | 1.2 – 2.0 |
| Chromium (Cr) | 0.18 – 0.28 |
| Iron (Fe) | 0.5 max |
| Silicon (Si) | 0.4 max |
| Manganese (Mn) | 0.3 max |
| Titanium (Ti) | 0.2 max |
| Product Type | Standards | Sizes | Types | Applications |
| Sheets | ASTM B209 | 0.5mm – 50mm thickness | Cold Rolled, Hot Rolled | Aerospace, High-stress Structural Applications |
| Plates | ASTM B209 | 10mm – 200mm thickness | Hot Rolled | Aircraft Fuselage, Wings, Bulkheads |
| Tubes | ASTM B210 | 6mm – 300mm diameter | Seamless, Welded | Fluid Systems, Aerospace Applications |
| Pipes | ASTM B241 | 10mm – 400mm diameter | Seamless, Welded | Piping Systems, Structural Components |
| Bars | ASTM B211 | 6mm – 100mm diameter | Round, Square, Flat | Frames, Supports, Aerospace Components |
| Angles | ASTM B221 | 25mm x 25mm – 150mm x 150mm | Equal, Unequal | Structural Framework, Industrial Uses |
| Channels | ASTM B221 | Custom sizes | U-Channels, C-Channels | Architectural, Structural Applications |
| Fittings | ASTM B247 | Custom sizes | Elbows, Tees, Reducers | Industrial, Aerospace Applications |
| Property | 7075 Aluminium | 6061 Aluminium |
| Tensile Strength | 572 MPa | 310 MPa |
| Yield Strength | 503 MPa | 276 MPa |
| Corrosion Resistance | Fair | Good |
| Weldability | Fair | Excellent |
| Machinability | Excellent | Good |
| Applications | Aerospace, High-stress parts | Structural, Marine Applications |
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For a free quote or to learn more about our range of Aluminium Sheets and Plates, Contact Solitaire Steel & Engineering LLP today. Our team is ready to assist with tailored solutions for all your industrial needs.
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