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6061 Aerospace Grade Aluminum Forgings

6061 aluminum forgings are widely used in the aerospace field, mainly due to their excellent mechanical properties, good corrosion resistance, and good machinability. The 6061 aluminum alloy belongs to the aluminum-magnesium-silicon alloy category, with main components including magnesium and silicon, providing good strength and toughness, making it suitable for manufacturing high-demand aerospace components.

6061 Aerospace Grade Aluminum Forgings

Why Choose 6061 Aerospace Grade Aluminum Forgings?

  • 1. 6061 aluminum alloy has a low density, effectively reducing the overall weight of the aircraft. Using 6061 aluminum forgings helps engineers reduce the total weight of the airplane while ensuring strength and safety, thereby improving fuel efficiency.
  • 2. 6061 aluminum alloy has good corrosion resistance, which can be further enhanced through anodizing. Aircraft experience various environmental conditions during flight, and the corrosion resistance of 6061 aluminum forgings ensures long-term use under various weather conditions.
  • 3. 6061 aluminum alloy has good machinability, making it suitable for various machining and forming processes. This allows 6061 aluminum forgings to be easily processed into complex shapes to meet the strict requirements for part shapes and sizes in aerospace design.

Specification of 6061 T6/T451/T4 aluminum forgings

Forging Types Max Weight Max Measurement
Open Die Forge cube ≤5T Length≤7000mm; width≤2000mm; height≤500mm
disc ≤5T diameter≤2500mm
ring ≤5T Outer diameter of quenching parts≤2500mm; outer diameter of non-quenching parts≤4000mm; height≤500mm
cylinder ≤5T Out diameter 200 to 800mm; Length≤2000mm; outer diameter 801 to 2000mm; length≤1500mm
axle ≤8T length≤7000mm, diameter≤800mm
Closed Die Forge PVA≤3.0 (Diameter≤1950mm)
Complicated closed die forge parts PVA≤1.5㎡\(Diameter≤1400mm)

Chemical composition of 6061 aluminum forgings

Element AMS 4127 Requirements (wt. %)
Si 0.4-0.8
Fe 0.7 max
Cu 0.15 max
Mn 0.15 max
Mg 0.8-1.2
Cr 0.04 max
Zn 0.25 max
Ti 0.15 max
Al balance
Other 0.05 max

Mechanical properties for 6061 aluminium forgings

Property T6 T451 T4
Tensile strength 310 MPa 310 MPa 241 MPa
Yield strength 275 MPa 275 MPa 152 MPa
Elongation at break 12% 17% 25%
Hardness, brinell 95 HB 95 HB 65 HB
Modulus of elasticity 68.9 GPa 68.9 GPa 68.9 GPa

Applications of 6061 Aerospace Aluminum Forgings

1. Structural Component Manufacturing

6061 aluminum forgings are typically used in the form of forged plates and profiles for structural components such as fuselage frames, wing beams, and wing support structures, achieving high strength and lightweight characteristics. These components need to withstand significant loads while also providing weight reduction to enhance the aircraft's fuel efficiency and payload capacity.

2. Connectors

In aircraft assembly, 6061 aluminum forgings are often made into connectors such as rivets, bolts, and clamps, ensuring high strength and fatigue resistance. These connectors must possess high strength and fatigue performance to ensure the safe and reliable connection of various components during flight.

3. Engine Components

6061 aluminum forgings are applied in engine components in the form of forged tubes and housings, such as intake ducts and supports. Due to their good thermal conductivity and corrosion resistance, 6061 aluminum alloy can effectively withstand the high temperatures and corrosive environments present during engine operation.

4. Interior Components

In aircraft interiors, 6061 aluminum forgings can be used to create support structures such as seat frames and luggage racks, which need to provide a certain level of aesthetics and strength to enhance passenger comfort and safety.

Haomei Hot Selling Aluminum Forging Products

Haomei Aluminum offers alloys including 2014, 2024, 2124, 2219, 2618, 2619, 3003, 5083, 6061, 7049, 7050, 7075, 7079, 7149, 7150, and 7175 temper alloys, available upon request, complying with all AMS, ASTM, Boeing commercial, and Boeing military specifications.

TYPE SPECIFICATIONS
2014 AMS4133, 4134, 4314, AMS-A-22771
2024 AMS-QQ-A-367
2219 AMS4143, 4144, AMS-QQ-A-367, AMS-A-22771
2618 AMS4132, AMS-QQ-A-367, AMS-A-22771
6061 AMS4127, 4146, AMS-QQ-A-367, AMS-A-22771
7049 AMS4111, AMS-QQ-A-367, AMS-A-22771
7050 AMS4107, 4108, AMS-A-22771
7075 AMS4126, 4131, 4141, 4147, AMS-QQ-A-367
7079 AMS-QQ-A-367
7150 AMS-A-22771
7175 AMS4148, 4149, 4179, AMS-A-22771

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