• Platten

  • Blech

  • Rundstangen

  • Rohre/ 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
Density2.82 g/cm³
Melting Point510 °C
Thermal Expansion23 µm/m.°C
Modulus of Elasticity70 GPa
Thermal Conductivity130 W/m.K
Electrical Resistivity47% IACS
Mechanical Properties Value
Proof Strength250 MPa
Yield Strength390 MPa
Shear Strength230 MPa
Elongation A50 mm8%
Hardness95 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.

 

ALLOY DESIGNATIONS
 
2007 T4 has the following standard designations and specifications.

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.

 

SUPPLIED FORMS
 
2007 T4 is produced/supplied in round/flat bar and tube/profile forms.
  • Rod / Round Bar / Flat Bar
  • Tube/Profile
DELIVERY: