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EN AW-2014 · AlCu4SiMg

A high-strength aerospace alloy that machines well and responds strongly to heat treatment. Frequently supplied clad (Alclad) for sheet applications to restore surface corrosion resistance. 2014A is the tighter-composition European variant.

2.80g/cm³
Density
485MPa
Typical tensile strength (T6 / T651)
72.5GPa
Elastic modulus
2000
Series — Al-Cu high strength

Material Data

Composition and physical properties

Chemical composition (% by mass)
ElementLimit / range
Si0.50 – 1.2
Fe≤ 0.7
Cu3.9 – 5.0
Mn0.40 – 1.2
Mg0.20 – 0.8
Zn≤ 0.25
Ti≤ 0.15
Albalance

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

Physical properties (typical, room temperature)
PropertyValue
Density2.80 g/cm³
Melting range507 – 638 °C
Thermal expansion (20–100 °C)23.0 µm/m·K
Elastic modulus72.5 GPa
Thermal conductivity155 W/m·K
Electrical conductivity40 % 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-2014 (AlCu4SiMg)
TemperYield strength (MPa)Tensile strength (MPa)Elongation (%)Hardness (HB)
O951851845
T4 / T45129042516105
T6 / T6514154858135
T624004708130

Designations & Standards

How this alloy appears on drawings

Cross-reference designations
SystemDesignation
ISO / EN designationAlCu4SiMg
EN numericEN AW-2014
UNSA92014
Werkstoff-Nr.3.1255
Common product standardsAMS 4028, AMS QQ-A-250/3, AMS QQ-A-200/2 · ASTM B209, B210, B211, B221 · AIR 9048 · EN 485 / EN 754-2 (2014A)

Supply Program

Available from Lipol as

Catalog entries for EN AW-2014
Product formStandardAlloyTemperCategory
SheetAMS 40282014OAerospace & Defense
SheetASTM B2092014 cladOAerospace & Defense
SheetAMS QQ-A-250/32014 cladT4Aerospace & Defense
SheetAIR 9048.0602014 cladT42Aerospace & Defense
SheetAIR 9048.0902014 cladT6Aerospace & Defense
SheetAIR 9048.0802014 cladT62Aerospace & Defense
Bar / FlatAMS QQ-A-200/22014T6Aerospace & Defense
Bar / FlatASTM B2102014AT351Aerospace & Defense
Tube / Profile / ExtrusionASTM B9282014AT3510/T3511Aerospace & Defense
Cold-Drawn BarEN 754-22014T4Cold Drawing
Cold-Drawn BarEN 754-22014T4511Cold Drawing
Cold-Drawn BarEN 754-22014T651Cold Drawing
Cold-Drawn BarEN 754-22014AT3Cold Drawing
Cold-Drawn BarEN 754-22014AT651Cold Drawing
Cold-Drawn TubeEN 754-7/-82014T3510Cold Drawing
Cold-Drawn TubeEN 754-7/-82014T4510Cold Drawing
Cold-Drawn TubeEN 754-7/-82014T6510Cold Drawing

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

Applications

Where EN AW-2014 is the right answer

  • Aircraft structural components and fittings
  • Truck frames and suspension parts
  • Cylinders and hydraulic components
  • Military and defense hardware

Specifying EN AW-2014?

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-2014 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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