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2014 clad

AIR 9048.060 / AlCu4SiMg / 2014 clad / T42

Chemical Properties % Value
Silicon (Si)0,5 - 1,2
Chromium (Cr)0,00 - 0,10
Manganese (Mn)0,40 - 1,20
Magnesium (Mg)0,20 - 0,80
Copper (Cu)3,90 - 5,00
Titanium (Ti)0,00 - 0,15 / 0,00 - 0,20
Iron (Fe)0,00 - 0,7
Zinc (Zn)0,00 - 0,25
Aluminium (Al)Balance
Physical Properties Value
Density2.8 g/cm³
Melting Point507 °C
Thermal Expansion22.7 µm/m°C
Modulus of Elasticity73 GPa
Thermal Conductivity130 W/m.K
Electrical Resistivity40 % IACS
Mechanical Properties Value
Proof Strength270 MPa
Yield Strength430 MPa
Shear Strength260 MPa
Elongation A50 mm14 %
Hardness110 HB

The Alclad 2014 T42 aluminum alloy is renowned for its high strength, durability, and excellent machinability. Alclad is a version of the 2014 T42 alloy that is coated with a thin layer of pure aluminum on its surface to enhance corrosion resistance. The T42 temper indicates that the alloy has undergone a solution heat treatment followed by natural aging, which imparts good mechanical properties and formability.

This alloy is primarily used in the aerospace and space industries for structural components that require high strength and durability. Thanks to its high strength and machinability, it is preferred in the production of aircraft fuselages, wings, and other critical parts. Additionally, it is also utilized in automotive and military applications where high performance is essential.

In terms of anodizing, Alclad 2014 T42 aluminum alloy has limited suitability. While the pure aluminum layer on the surface facilitates the anodizing process, the high copper content in the alloy can reduce the effectiveness of the anodizing treatment. Regarding weldability, the copper content in the alloy increases the risk of cracking during welding; therefore, it is recommended to use specialized welding techniques and appropriate filler materials to minimize this risk.

Regarding bending and forming, Alclad 2014 T42 aluminum alloy offers good formability, allowing the production of complex shapes. It is also suitable for use in high-vibration environments due to its strength and durability, which provide resistance to vibration and fatigue. However, in terms of corrosion resistance, while the pure aluminum coating provides some protection, the copper content in the alloy can negatively affect overall corrosion resistance. The advantages of Alclad 2014 T42 aluminum alloy include high strength, good machinability, and formability, while its disadvantages include limited corrosion resistance and welding challenges.

 

ALLOY DESIGNATIONS
 
2014 T42 clad has the following standard designations and specifications.

As Alclad sheet; 2014 T42 clad, ASTM B209ISO AlCu4SiMgUNS A92014, AIR 9048.060, WNR 3.1255, MIL-A-21180

 

Choosing Factors for 2014 T42 clad

  • Strength: Excellent
  • Machining: Very good
  • Weldability: Weak
  • Formability: Good
  • Corrosion Resistance: Bad
  • Heat Treating: Yes
 

Some Well-Known Applications for 2014 T42 clad

In the aircraft industry and truck and machinery equipment,

Military vehicles and the automotive industry in general,

It is used as a component of structural parts requiring high durability.

 

SUPPLIED FORMS
 
2014 T42 clad is produced/supplied in sheet form.
  • Sheet
DELIVERY: