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6061 aluminum alloy is an aluminum alloy widely used in automobile manufacturing. It is favored for its excellent mechanical properties, weldability and corrosion resistance. 6061 automotive aluminum sheet is mostly used in automobile manufacturing in the form of aluminum sheet or profile. Common tempers include O, T4, T451, T6, T651, etc. Among them, 6061 O aluminum sheet is in annealing state, the softest, suitable for various bending processes; 6061-T4 aluminum sheet is naturally aged and has medium strength; 6061-T6 aluminum sheet is artificially aged, has the highest strength and hardness, and is widely used in structural applications. 6061 aluminum sheet can be used to manufacture vehicle frames, automobile seat frames, anti-collision beams and automobile wheels.
Alloy | 6061 aluminum sheet plate |
Temper | O,T4,T451,T6,T651 |
Thickness(mm) | 0.30 – 500 |
Width(mm) | 100 – 2400 |
Length(mm) | 500 - 16000 |
Standard | ASTM B209/EN 485/GB/T 33227-2016/JIS H4000 |
Application | Automobile wheels,vehicle frames, seat frames, anti-collision beams, etc. |
Chemical Composition of 6061 Aluminum Sheet Plate for Automobile
Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
6061 | 0.4-0.8 | 0.7 | 0.15-0.4 | 0.15 | 0.8-1.2 | 0.04-0.35 | 0.25 | 0.15 | Remainder |
Mechanical properties of 6061 Aluminum Sheet Plate for Automobile
Alloy-Temper | 6061 O | 6061 T4 | 6061 T451 | 6061 T6 | 6061 T651 |
Tensile Strength Rm(Mpa) | 130 | 230 | 240 | 310 | 320 |
Yield Strength Rp0.2(Mpa) | 76 | 130 | 130 | 270 | 270 |
Elongation at Break | 20% | 18% | 20% | 10% | 11% |
Brinell Hardness | 33 | 63 | 63 | 93 | 93 |
◆ High strength and toughness: 6061 aluminum alloy in T6 state has medium strength and is suitable for use in vehicle body structural parts.
◆ Good formability: Suitable for various stamping and bending processes, especially in the O state, while the 6061 T651 aluminum plate eliminates internal stress and ensures no deformation during use, making it very suitable for precision processing.
◆ Excellent corrosion resistance: 6061 aluminum alloy adds a certain amount of silicon and iron, which has good corrosion resistance and is suitable for various environmental conditions to extend the service life of automobile parts.
◆ Significant weight reduction: The lightweight properties of 6061 aluminum alloy help improve the vehicle’s fuel efficiency and reduce emissions.