6000 series represents 6061, which mainly contains magnesium and silicon, so it integrates the advantages of 4000 series and 5000 series. 6061 is a cold-treated aluminum forging product, which is suitable for applications with high corrosion resistance and oxidation requirements. Good usability, excellent interface characteristics, easy coating and good processability. It can be used in low-pressure weapons and aircraft joints.
Chemical composition of 6××× Al-Si alloy (expressed as the highest percentage unless a range value is listed)
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Other elements | |
| each | A total of | ||||||||
| 0.4-0.8 | 0.7 | 0.15-0.4 | 0.15 | 0.80-1.2 | 0.04－0.35 | 0.25 | 0.15 | 0.05 | 0.15 |
The current production of 6000 series aluminum alloy grades: 6005, 6060, 6061, 6063, 6082, 6201, 6262, 6463, 6A02, the following is a detailed introduction to their respective uses.
6005: extruded profiles and pipes, used for ladders, TV antennas, TV launchers, etc.
6009: car body panels.
6010 aluminum sheet: car body.
6061: battery covers, semiconductor equipment parts, aviation fixtures, valve bodies, auto parts, model car bottom plates, bicycle parts, ships, trams, furniture, mechanical parts, pipes, rods, plates for precision processing, etc.
6063: building profiles and extruded materials for vehicles, benches, furniture, fences, etc.
6066: forgings and welding structure extrusion materials.
6068 aluminum is mainly used for refrigerated container floor, truck frame parts, ship upper structure, rail vehicle structure, large truck structure and other mechanical structural parts.
6070: heavy-duty welded structure and extrusion materials and pipes used in the automotive industry.
6082 aluminum alloy is suitable for manufacturing aircraft landing pads, boats, building components, bicycles, auto parts, optical instruments, rail vehicle aluminum, electrical accessories, valves and valve parts.
6101: High-strength rods for buses, electrical conductors and radiator materials, high-strength electrical bus bars, rigid suspension conductive contact rails, various conductive materials, etc.
6106 aluminum is used for all kinds of pipes, wires and bars that require corrosion resistance.
6151 aluminum is used for products that require both good forgeability, high strength, and good corrosion resistance, such as die forging crankshaft parts, machine parts, and production rolled rings.
6201: High-strength conductive rods and wires.
6205: thick plates, pedals and high impact resistant extrusions.
6262: has good machinability and corrosion resistance. It is mostly extruded and cold-worked pipes, rods, shapes, and wires, and is used for threaded high-stress parts.
6351: is mostly used in extruded structural parts of highway transportation facilities and gas, oil, and water pipelines that require high strength.
6463: building and various appliance profiles and car decoration parts with bright surface after anodizing treatment.
6A02: aircraft engine parts, complex forgings and die forgings.
