Aluminum alloy 2024 properties

Đăng ngày 01-12-2016 bởi Trong Tin Tức

Aluminum alloy 2024 is alloy high strength and excellent fatigue resistance, aluminum alloy 2024 is consistent with the details, structural durability requirements / high weight. Aluminum alloy is processed at high speed and after the processing details are accurate and beautiful surface. 2024 can easily be annealed after bending and then the heat treatment. 2024 high resistance to fracture. Because corrosion resistance is low, 2024 is often used in the form of anodizing or coated with a thin layer of pure aluminum on the surface to increase resistance to corrosion.

Physical Properties

Density2.78 g/cc0.1 lb/in³ AA; Typical
Mechanical Properties
Hardness, Brinell4747 AA; Typical; 500 g load; 10 mm ball
Ultimate Tensile Strength186 MPa27000 psi AA; Typical
Tensile Yield Strength75.8 MPa11000 psi AA; Typical
Elongation at Break20 %20 % AA; Typical; 1/16 in. (1.6 mm) Thickness
Elongation at Break22 %22 % AA; Typical; 1/2 in. (12.7 mm) Diameter
Modulus of Elasticity73.1 GPa10600 ksi AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Ultimate Bearing Strength345 MPa50000 psi Edge distance/pin diameter = 2.0
Bearing Yield Strength131 MPa19000 psi Edge distance/pin diameter = 2.0
Poisson’s Ratio0.330.33 
Fatigue Strength89.6 MPa13000 psi AA; 500,000,000 cycles completely reversed stress; RR Moore machine/specimen
Machinability30 %30 % 0-100 Scale of Aluminum Alloys
Shear Modulus28 GPa4060 ksi 
Shear Strength124 MPa18000 psi AA; Typical
Electrical Properties
Electrical Resistivity3.49e-006 ohm-cm3.49e-006 ohm-cm AA; Typical at 68 Degrees F
Thermal Properties
CTE, linear 68 Degrees F23.2 µm/m- Degrees C12.9 µin/in- Degrees F AA; Typical; Average over 68-212 Degrees F range.
CTE, linear 250 Degrees C24.7 µm/m- Degrees C13.7 µin/in- Degrees F Average over the range 20-300 Degrees C
Heat Capacity0.875 J/g- Degrees C0.209 BTU/lb- Degrees F 
Thermal Conductivity193 W/m-K1340 BTU-in/hr-ft²- Degrees F AA; Typical at 77 Degrees F
Melting Point502 – 638  Degrees C935 – 1180  Degrees F AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater. Eutectic melting is not eliminated by homogenization.
Solidus502  Degrees C935  Degrees F AA; Typical
Liquidus638  Degrees C1180  Degrees F AA; Typical
Processing Properties
Annealing Temperature413  Degrees C775  Degrees F 
Solution Temperature256  Degrees C493  Degrees F
  1. Aluminum alloy properties
  2. What Is Aluminum Alloys 101

Temper: 2024-0, 2024-T351, 2024-T3511, 2024-T851, 2024-T8511

Specification: QQ-A-225/6, QQ-A-200/4, AMS 4330, AMS 4120

2024-T4 Cold Finish Bar Per QQ-A-225/6, AMS-QQ-A-225/6, ASTM-B-211

2024-T351 Cold Finish Bar Per QQ-A-225/6, AMS-QQ-A-225/6, ASTM-B-211, AMS 4120

2024-T851 Cold Finish Bar Per QQ-A-225/6, AMS-QQ-A-225/6, ASTM-B-211, AMS 4339

2024-T3 Extruded Bar Per QQ-A-200/3, AMS-QQ-A-225/3, ASTM-B-211, AMS 4152

2024-T3511 Extruded Bar Per QQ-A-200/3, AMS-QQ-A-200/3, ASTM-B-211, AMS 4165

2024 Aluminum Tube

2024 aluminum tubing is heavily utilized in aircraft applications due to good machining characteristics and higher strength than either 2014 or 2017. Cold formability is considered fair, yet it is one of the most popular alloys for high strength tubing requirements because of the superior grain structure that can be obtained.

2024-T3 Aluminum Tube Per WW-T-700/3

1″ OD X 0.095″ Wall x 12 FT Per WW-T700/3


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