



Dalle
Tôle
Barre ronde
Tube/ Extrusion/ Profil
2007
ASTM B221 / AlCu4PbMgMn / 2007 / T4
Chemical Properties | % Value |
Silicon (Si) | 0,00 - 0,80 |
Copper (Cu) | 3,30 - 4,60 |
Lead (Pb) | 0,80 - 1,50 |
Iron (Fe) | 0,00 - 0,80 |
Zinc (Zn) | 0,00 - 0,20 |
Nickel (Ni) | 0,00 - 0,20 |
Aluminium (Al) | Balance |
Magnesium (Mg) | 0,40 - 1,80 |
Manganese (Mn) | 0,50 - 1,00 |
Physical Properties | Value |
Density | 2.82 g/cm³ |
Melting Point | 510 °C |
Thermal Expansion | 23 µm/m.°C |
Modulus of Elasticity | 70 GPa |
Thermal Conductivity | 130 W/m.K |
Electrical Resistivity | 47% IACS |
Mechanical Properties | Value |
Proof Strength | 250 MPa |
Yield Strength | 390 MPa |
Shear Strength | 230 MPa |
Elongation A50 mm | 8% |
Hardness | 95 HB |
2007 T4 aluminum alloy is known for its excellent machinability, good strength, and moderate corrosion resistance. With a high copper content, this alloy is enhanced for applications requiring robust mechanical performance. The T4 temper indicates that the alloy has undergone solution heat treatment and natural aging, offering a well-balanced combination of strength and machinability.
This alloy is commonly used in automotive, aerospace, mechanical components, and precision-machined parts. While it is compatible with anodizing, its copper content requires careful processing during the anodizing process. Anodizing can enhance its corrosion resistance and provide an attractive surface finish. However, its weldability is limited; mechanical fasteners or specialized welding techniques are often preferred over standard welding methods.
In terms of bending and forming, 2007 T4 aluminum alloy provides moderate formability. Its high strength demands careful handling during complex shaping processes. Nevertheless, it performs well in high-vibration environments due to its fatigue resistance and mechanical stability. These properties make it suitable for equipment exposed to dynamic loads and challenging operational conditions.
Corrosion resistance is naturally limited, so additional surface treatments are recommended for applications in outdoor or corrosive environments. Advantages of 2007 T4 include excellent machinability, good strength, and fatigue resistance, while its disadvantages are limited corrosion resistance, poor weldability, and moderate formability. These characteristics make 2007 T4 aluminum alloy an ideal material for projects requiring lightweight components and mechanical durability.
Extruded Round/Flat Bars and Tubes per; 2007 T4, WNR 3.1645, DIN AlCuMgPb, AFNOR A-U4Pb, UNI 9002/8, UNE L-3121, UNS A92007, ISO AlCu4PbMgMn, ASTM B221
Choosing Factors for 2007 T4
- Strength: Good
- Machining: Okay
- Weldability: Weak
- Formability: Poor
- Corrosion Resistance: Low
- Heat Treating: Yes
Some Well-Known Applications for 2007 T4
In grooved pipes,
Integrated machined fittings,
It is also used in the inner structure of air conditioners.
- Rod / Round Bar / Flat Bar
- Tube/Profile