Aluminum alloy 7020 is a high-strength, heat-treatable alloy that belongs to the 7000 series of aluminum alloys. It is known for its excellent strength-to-weight ratio and good resistance to stress corrosion cracking.
Properties: |
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Density: 2.78 g/cm³ Melting Point: Approximately 635°C (1175°F) Tensile Strength: Varies based on temper and thickness. Yield Strength: Varies based on temper and thickness. Elongation at Break: Varies based on temper and thickness. Modulus of Elasticity: Approximately 71 GPa (10,300 ksi) Thermal Conductivity: 139 W/m·K |
Details and Characteristics: |
Anodizing Compatibility: 7020 alloy is generally compatible with anodizing processes, providing options for surface treatment and enhancement. Weldability: While it has good weldability, it may require special precautions to avoid cracking during welding. Heat treatment after welding is often recommended. Stress Corrosion Cracking Resistance: It exhibits good resistance to stress corrosion cracking, making it suitable for applications in aerospace and other industries where this property is crucial. |
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
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
Chemical Composition |
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Aluminium (Al): | 90.7% |
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Iron (Fe): | 1.0% |
Silicon (Si): | 0.20% - 0.60% |
Copper (Cu): | 0.10% |
Titanium (Ti): | 0.10% |
Manganese (Mn): | 0.2% - 0.7% |
Magnesium (Mg): | 1.2% - 1.8% |
Zinc (Zn): | 5.3% - 6.8% |
Chromium (Cr): | 0.1% - 0.25% |
Copper (Cu): | 1.6% - 2.4% |
Titanium (Ti): | 1.9% - 2.6% |
Other | 0.05%(each) 0.15(total) |
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