Qinghai Guoxin Aluminum Industry Incorporated Co., Ltd.
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7000 Series Aluminum Alloy
Al-Zn-Mg-Cu alloy, name as 7000 series aluminum alloy, is a kind of alloy can be strengthened by heat treatment. It has high tensile strength commonly, also with high strength under low temperature.
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The 7000 series aluminum alloy products mainly include aluminum alloy rods and bars, aluminum alloy pipes, aluminum alloy plates and aluminum alloy profiles.
| Aluminum Alloy Grade | Applications | |
| 7075 Aluminum Alloy | 7075 aluminum alloy is for fabricating aircraft frame, molds, and high-stress structural parts with high strength and corrosion resistance. | Inquiry |
| 7050 Aluminum Alloy | 7050 aluminum alloy is for making aircraft structural parts such as thick aluminum alloy plates, extrusion parts, custom shaped forgings and die forgings. This kind of aluminum alloy has high resistance to corrosion, resistance to stress corrosion cracking, and fatigue resistance, as well as high fracture toughness. | Inquiry |
| 7A04 Aluminum Alloy | 7A04 aluminum alloy is for making aircraft skin, screws, and heavy load structural parts like beam girder, frame, wing ribs, alighting gear, etc. | Inquiry |
| 7005 Aluminum Alloy | 7005 aluminum alloy is for manufacturing extruded materials, welded structures with high strength and facture toughness, like vehicle truss, vehicle rods, and vehicle containers, as well as large heat exchangers, welded parts with no solution heat treatment , also for making sports equipment like tennis racket and softball bat. | Inquiry |
| 7039 Aluminum Alloy | 7039 aluminum alloy is for making refrigerated containers, low-temperature apparatus and storage tanks, firefighting pressure equipment, military equipment, armor plates, missile products, etc. | Inquiry |
| 7049 Aluminum Alloy | 7049 aluminum alloy is for making for forging parts with high stress cracking resistance, for example aircraft components and missile parts including landing gear, hydraulic cylinders and extrusion parts. This aluminum alloy has static strength and fatigue resistance nearly the same as 7079-T6 aluminum alloy, but with higher toughness. | Inquiry |
| 7072 Aluminum Alloy | 7072 aluminum alloy is for making air conditioner aluminum foil and ultra-thin strip; using as wrapping material for aluminum alloy plates and aluminum alloy tubes which can be made of 2219 aluminum alloy, 3003 aluminum alloy, 3004 aluminum alloy, 5050 aluminum alloy, 5052 aluminum alloy, 5154 aluminum alloy, 6061 aluminum alloy, 7075 aluminum alloy, 7475 aluminum alloy, and 7178 aluminum alloy. | Inquiry |
| 7175 Aluminum Alloy | 7175 aluminum alloy is for making high-strength aircraft and spacecraft forged structure. 7175-T736 aluminum alloy has high strength, good resistance to corrosion and stress cracking, high fracture toughness and fatigue strength. | Inquiry |
| 7178 Aluminum Alloy | 7178 aluminum alloy is for making for aircraft parts and spacecraft components with high yield strength. | Inquiry |
| 7475 Aluminum Alloy | 7475 aluminum alloy is for making airplane frame which can be wrapped with aluminum, also for making airplane wing structure and airplane truss structure, which need high strength and high fracture toughness. | Inquiry |
Features of 7000 Series Aluminum Alloy
1. 7000 series aluminum alloy is a commonly used alloy containing Zn and Mg. Among 7xxx series aluminum alloy, 7075 aluminum alloy has highest strength, but it cannot be welded, also poor in corrosion resistance. The 7075 aluminum alloy can be used as CNC machining tools.
2. 7000 series aluminum alloy mainly contains Zinc, when add a little Mg into the material, it makes the aluminum alloy can be well heat treated to get high strength. Generally, there are small amount of Cu and Cr alloying elements in 7000 series aluminum alloy, among which 7075 aluminum alloy is a kind of super-hard aluminum alloy, and can be widely used for fabricating airplane frame and airplane accessories.
3. 7075 aluminum alloy has been used in manufacturing airplane since the 1940s, it can be well hardened after heat treatment. 7075 aluminum alloy has high strength under a temperature of 150℃, also in low temperature. It has lower resistance to corrosion than many other aluminum alloys, so it needs to be wrapped with aluminum or with other surface protection. During annealing and quenching heat treatment, the yield strength of 7075 aluminum alloy is a little lower than 2A12 aluminum alloy, but the yield strength and corrosion resistance is a little higher than 7A04 aluminum alloy.
