Aluminium
Aluminium Alloy Groups
1xxx - None (99%+Aluminium)
2xxx - Copper
3xxx - Manganese
4xxx - Silicon
5xxx - Magnesium
6xxx - Magnesium + Silicon
7xxx - Zinc
| Composition: | Al5.5Cu0.4Bi0.4Pb |
| Applications: | Screws, bolts, fittings, nuts etc. Applications where good machinability and high strength are required. |
| Characteristic Properties: | Excellent free machining characteristics. Heat treatable high strength alloy with a strength slightly lower than 2007 and 2030. High fatigue strength. |
| Precautions and Warnings: | Low corrosion resistance for outside applications. Hard Anodising or other protection is recommended. |
| Product Forms: | Bar, Rod, Tube, Wire. |
| Composition: | Al4.5Cu0.9Si0.8Mn0.5Mg |
| Applications: | High Strength structural components: aircraft (eg. fittings and wheels), Military vehicles and bridges, forgings for trucks and machinery. Weapons manufacture. |
| Characteristic Properties: | Heat treatable alloy. High mechanical strength slightly higher than 2011 and 2017A. High fatigue strength. |
| Precautions and Warnings: | - |
| Product Forms: | Plate, Sheet, Tube, Wire, Forging, Profile Section Shape. |
| Applications: | Structures and equipment: (welded components), masts, platforms. Chemical apparatus and storage tanks, cryogenics. Pressure vessels, piping and tubing. Automotive: Welded tank trailers and dump bodies. Railway: Welded tanks and structural components. Military equipment: Armour plates, collapsible bridges, vehicle bodies. Machinery: scaffolding , towers, tools, appliances, pylons. |
| Characteristic Properties: | Very good weldability. Very good corrosion resistance to seawater. High strength alloy , slightly higher than 5086. High fatigue strength. Good cold and stretch formability in soft temper in relation to strength. Can be produced in thick plates without internal stress. |
| Precautions and Warnings: | May be subject to intercrystalline and stress corrosion cracking after undergoing unsuitable thermal treatment(welding). Not to be used above 65Deg C. for extended time if later exposed to corrosive environment. |
| Product Forms: | Plate, Sheet, Bar, Tube, Wire, Profile Section Shape. |
| Composition: | Al0.9Mg1.0Si0.7Mn |
| Applications: | Heavy duty structures in rail coaches, truck frames, ship building, offshore, bridges, bicycles, boilermaking. Machinery: platforms, flanges, hydraulic systems, mining equipment, pylons, towers, motorboats. Nuclear technology. Masts and beams for shipbuilding (especially in sweet water). Tubes for scaffolding, tents and halls. Tubing screw machine products, Rivets. |
| Characteristic Properties: | Very good corrosion resistance. Very good weldability (lowered strength values in the zone of welding). Good machinability. Good cold forming in T4 temper after a stabilizing heat treatment. Heat treatable medium high strength construction. Alloy with a strength somewhat higher than 6061. Medium high fatigue strength. Not suitable for complex sections. |
| Precautions and Warnings: | - |
| Product Forms: | Rod, Plate, Sheet, Bar, Tube, Wire, Forging, Slugs impacts, Profile Section Shapes. |
| Composition: | Al5.6Zn2.5Mg1.6CuCr |
| Applications: | Aircraft and military highly stressed structural components. Rolling stock for machine parts and tools (for rubber and plastics). Ski poles. Tennis rackets, Screws and bolts, nuts, rivets. Nuclear applications. |
| Characteristic Properties: | Heat treatable very high strength alloy with a strength slightly lower than 7010. Very high fatigue strength. Joining preferably by rivets, adhesives or screws. Corrosion protection is recommended in outdoor atmosphere. |
| Precautions and Warnings: | Care to be taken when selecting temper (and other thermal treatment) for balance of properties. May be clad with 7072 for better protection against stress corrosion cracking. |
| Product Forms: | Plate, Sheet, Bar, Rod, Tube, Wire, Forging, Slugs impacts, Profile Section Shape. |
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