• Cold Drawn Round Bar

  • Cold Drawn Tube

2011

Cold Drawn/Finished (CF) / AlCu6BiPb (Soğuk Çekim) / 2011 / T8

Chemical Properties % Value
Silicon (Si)0,40 Max
Copper (Cu)5,00 - 6,00
Lead (Pb)0,20 - 0,60
Iron (Fe)0,70 Max
Zinc (Zn)0,00 - 0,30
Nickel (Ni)0,00 - 0,20
Aluminium (Al)Balance
Physical Properties Value
Density2.82 g/cm³
Melting Point540 °C
Thermal Expansion22.9 µm/m°C
Modulus of Elasticity70 GPa
Thermal Conductivity170 W/m.K
Electrical Resistivity%46 IACS
Mechanical Properties Value
Proof Strength310 MPa
Yield Strength420 MPa
Shear Strength240 MPa
Elongation A50 mm10%
Hardness100 HB

The 2011 T8 aluminum alloy is known for its high machinability and good mechanical properties, making it a preferred material in industries such as automotive, aerospace, and machinery manufacturing. The lead content in this alloy enhances machinability, allowing for easier processing of complex parts and fine details. It is suitable for anodizing, enabling surface protection treatments; however, the presence of lead necessitates consideration of certain environmental limitations. In terms of weldability, the 2011 T8 alloy exhibits limited performance, which typically leads to the preference for mechanical fastening methods for assembly. It offers good formability, allowing for the creation of complex shapes. Additionally, its durability in high-vibration environments provides a significant advantage in automotive and aerospace applications. Corrosion resistance is generally good, although additional protection may be required in aggressive environments such as seawater. Advantages of the 2011 T8 aluminum alloy include high machinability, formability, and vibration resistance, while its drawbacks involve limited weldability and potential environmental constraints related to lead content.

 

ALLOY DESIGNATIONS
 
2011 T8 has the following standard designations and specifications.

Cold Drawn Round/Flat Bars per; 2011 T8, ASTM B211, AMS QQ-A-225/3, UNS A92011, WNR 3.1655, ISO AlCu6BiPb, AFNOR A-U5PbBi, UNE L-3192, UNI 9002/5

Cold Drawn Tubes per; 2011 T8, ASTM B210, UNS A92011, WNR 3.1655, ISO AlCu6BiPb, AFNOR A-U5PbBi, UNE L-3192, UNI 9002/5

 

Choosing Factors for 2011 T8

  • Strength: High
  • Machining: Excellent
  • Weldability: Weak
  • Formability: Satisfactory
  • Corrosion Resistance: Poor
  • Heat Treating: Yes
 

Some Well-Known Applications for 2011 T8

In cigaratte holders,

In precise parts of clocks,

Also as a component of machined fittings.

 

SUPPLIED FORMS
 
2011 T8 is produced/supplied in round/flat bar and tube/profile forms.
  • Rod / Round Bar / Flat Bar
  • Tube/Profile
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 3.17 up to & incl. 82.5 275 MPa 310 MPa %10