7020 Aluminium Sheet
Aluminum alloy 7020 is a high-strength, heat-treatable alloy primarily used in aerospace applications, particularly in the construction of aircraft structures. It offers a good combination of strength, toughness, and corrosion resistance. Here are some details about 7020 aluminum alloy:
| Mechanical Properties: |
|---|
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Tensile Strength: 52,000 psi (360 MPa) Yield Strength: 44,000 psi (305 MPa) Elongation: 9% |
| Physical Properties: |
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Density: 2.78 g/cm³ (0.100 lb/in³) Melting Range: 655°C-695°C (1211°F-1283°F) |
| Typical Uses: |
| ♦ Aircraft structures, including fuselage components and wing skins ♦ Aerospace applications where high strength-to-weight ratio is crucial ♦ Military applications ♦ High-performance sports equipment |
| Welding: |
| 7020 is generally considered weldable using standard welding methods, including gas tungsten arc welding (GTAW/TIG) and gas metal arc welding (GMAW/MIG). However, welding should be approached with care, and special precautions may be necessary to avoid heat-affected zone issues. |
7020 Aluminium Sheets
Alloy : 7020 Aluminium Alloy
Temper :
O H14 H24 H18 / T351 T3 T4 T651 T6 / H14 H24 H26 H16 / H32 H111 H321 H116 H112 / T6 T651 / T651 T6 T7451
T6: Solution heat-treated and artificially aged. This is the most common temper for 7020, providing high strength and toughness.
Thickness : 0.2mm-300mm
Width : 500mm-3000mm
Standard : GB/ 3880-2012 ASTMB209 EN485
Surface Treatment : Mill finish / Brush polish
PVC Coated : One side or two side PVC
MOQ : The inventory has no MOQ
Packing : Standard Export Packing
Port of Dispatch : It depends on the supplier's location and shipping arrangements
Delivery Time : The inventory is 5-7 days . 25-30 days for customized products
Payment : TT / LC / TT+LC
Alloy 7020 Composition: |
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| Aluminum (Al): | 91.9% |
| Copper (Cu): | 1.4%-2.0% |
| Manganese (Mn): | 0.10%-0.40% |
| Magnesium (Mg): | 1.2%-2.1% |
| Chromium (Cr): | 0.10% |
| Zinc (Zn): | 5.8%-6.8% |
| Titanium (Ti): | 0.10% |
| Others: | 0.05% (each) 0.15% (total) |
Corrosion Resistance: 7020 offers good corrosion resistance, especially when compared to other high-strength aluminum alloys. However, its primary use in aerospace applications often involves protective coatings for additional corrosion protection.
Considerations: 7020 is known for its high strength and excellent fatigue resistance, making it suitable for critical structural components in aerospace. The alloy is heat-treatable, allowing for enhanced mechanical properties through post-fabrication heat treatment processes.
