Aluminum 2014
This alloy is one of the highest strength heat treatable products available today. It combines excellent strength with good machinability. 2014 Aluminum is one of the easiest aluminum alloys to weld and performs well in arc and resistance welding methods. However, it has limited corrosion resistance. When expected to be exposed to the outside environment, Alloy 2014 should be protected with pure aluminum coating or lacquer. Alloy 2014 is an ideal forging alloy for aircraft components such as landing gear and hydraulic cylinders.
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Chemical Composition
Element | Content(%) |
Aluminum | 93.5 |
Copper, Cu | 4.4 |
Silicon, Si | 0.8 |
Magnesium, Mg | 0.5 |
Cromium, Cr | ≤0.10 |
Manganese, Mn | ≤0.6 |
Physical Properties
Properties | Metric | Imperial |
Density | 2.8 g/cm3 | 0.1018 lbs/in3 |
Melting Point | 510°C | 950°F |
Mechanical Properties
Properties | Metric | Imperial |
Hardness, Brinell | 105 | 105 |
Hardness, Knoop | 132 | 132 |
Hardness, Rockwell A | 42.8 | 42.8 |
Hardness, Rockwell B | 67 | 67 |
Hardness, Vickers | 118 | 118 |
Tensile Strength, Ultimate | 427 MPa | 62000 psi |
Tensile Strength, Yield | 290 MPa | 42000 psi |
Elongation at Break | 20% | 20% |
Modulus of Elasticity | 72.4 GPa | 10500 ksi |
Poisson’s Ratio | 0.33 | 0.33 |
Fatigue Strength | 262 MPa | 38000 psi |
Shear Modulus | 28 GPa | 4060 ksi |
Thermal Properties
Properties | Metric | Imperial |
CTE, linear 68°F | 23 µm/m-°C | 12.8 µin/in-°F |
Specific Heat Capacity | 0.88 J/g-°C | 930 BTU-in/hr-ft²-°F |
Thermal Conductivity | 134 W/m-K | 930 BTU-in/hr-ft²-°F |
Applications
Aluminum 2014 is used in the following application areas:
· Landing Gears
· Hydraulic Cylinders
Key Words: Aluminum 2014-T4; UNS A92014; ISO AlCu4SiMg; BS H15 (UK); CSA CS41N (Canada); AA2014-T4, Aluminum 2014-T451; DIN AlCuSiMn; NF A-U4SG (France); AA2014-T451
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