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EN AW-2011 · AlCu6BiPb

The benchmark free-machining aluminum: bismuth and lead form soft particles that break chips cleanly, giving superb surface finish and maximum spindle throughput. The go-to choice for screw-machine products.

2.83g/cm³
Density
405MPa
Typical tensile strength (T8)
70GPa
Elastic modulus
2000
Series — Al-Cu high strength

Material Data

Composition and physical properties

Chemical composition (% by mass)
ElementLimit / range
Si≤ 0.40
Fe≤ 0.7
Cu5.0 – 6.0
Bi0.20 – 0.6
Pb0.20 – 0.6
Zn≤ 0.30
Albalance

Limits per EN 573-3 / applicable registration. The governing specification on your order prevails.

Physical properties (typical, room temperature)
PropertyValue
Density2.83 g/cm³
Melting range535 – 640 °C
Thermal expansion (20–100 °C)23.0 µm/m·K
Elastic modulus70 GPa
Thermal conductivity150 W/m·K
Electrical conductivity39 % IACS

Strength Data

Mechanical properties by temper

Typical room-temperature values for orientation. Design minimums depend on product form, thickness and the governing specification — request the applicable table with your inquiry.

Typical mechanical properties — EN AW-2011 (AlCu6BiPb)
TemperYield strength (MPa)Tensile strength (MPa)Elongation (%)Hardness (HB)
T32953801295
T4512703551390
T630039510100
T831040510105

Designations & Standards

How this alloy appears on drawings

Cross-reference designations
SystemDesignation
ISO / EN designationAlCu6BiPb
EN numericEN AW-2011
UNSA92011
Werkstoff-Nr.3.1655
Common product standardsEN 573-3 / EN 754-2 · ASTM B211, B221 · A-U5PbBi

Supply Program

Available from Lipol as

Catalog entries for EN AW-2011
Product formStandardAlloyTemperCategory
Bar / FlatASTM B2212011T451Aerospace & Defense
Bar / FlatASTM B2112011T6Aerospace & Defense
PlateA-U5PbBi2011T4General Industry
Cold-Drawn BarEN 754-22011T3Cold Drawing
Cold-Drawn BarEN 754-22011T8Cold Drawing

Additional tempers, forms and specifications available on request — the table shows the standard program.

Applications

Where EN AW-2011 is the right answer

  • Screw-machine parts and fasteners
  • Valve bodies and fittings
  • Instrument and camera components
  • Electrical connector hardware

Specifying EN AW-2011?

State the temper, product form, dimensions and governing standard from the tables above, and we will confirm availability with a firm price and delivery date — typically within one business day.

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Material Engineering

Not sure EN AW-2011 is the right alloy?

Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.

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