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EN AW-2219 · AlCu6Mn

A copper-rich alloy engineered for elevated-temperature service and outstanding weldability among the 2000 series — the historic choice for welded cryogenic and space-launch tankage, stable from −250 °C up to ~200 °C.

2.84g/cm³
Density
475MPa
Typical tensile strength (T87)
73.8GPa
Elastic modulus
2000
Series — Al-Cu high strength

Material Data

Composition and physical properties

Chemical composition (% by mass)
ElementLimit / range
Si≤ 0.20
Fe≤ 0.30
Cu5.8 – 6.8
Mn0.20 – 0.40
Mg≤ 0.02
Zr0.10 – 0.25
V0.05 – 0.15
Ti0.02 – 0.10
Albalance

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

Physical properties (typical, room temperature)
PropertyValue
Density2.84 g/cm³
Melting range543 – 643 °C
Thermal expansion (20–100 °C)22.3 µm/m·K
Elastic modulus73.8 GPa
Thermal conductivity120 W/m·K
Electrical conductivity30 % 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-2219 (AlCu6Mn)
TemperYield strength (MPa)Tensile strength (MPa)Elongation (%)Hardness (HB)
O751701845
T3 / T351 / T351125036017100
T3731539511110
T8 / T851 / T851135045510130
T8739547510130

Designations & Standards

How this alloy appears on drawings

Cross-reference designations
SystemDesignation
ISO / EN designationAlCu6Mn
EN numericEN AW-2219
UNSA92219
Werkstoff-Nr.—
Common product standardsAMS 4031, AMS 4066, AMS 4094–4096 (clad), AMS QQ-A-250/30, AMS 4162, AMS 4163, AMS 4295, AMS 4313 · ASTM B209, B211, B221 · UNS A92219

Supply Program

Available from Lipol as

Catalog entries for EN AW-2219
Product formStandardAlloyTemperCategory
PlateAMS 40662219T851Aerospace & Defense
PlateAMS QQ-A-250/302219T87Aerospace & Defense
SheetAMS 40312219OAerospace & Defense
SheetAMS 4295D2219T37Aerospace & Defense
SheetAMS 40962219 cladOAerospace & Defense
SheetAMS 40952219 cladT351Aerospace & Defense
SheetASTM B2092219 cladT8Aerospace & Defense
SheetAMS 40942219 cladT851Aerospace & Defense
Bar / FlatAMS 43132219T351Aerospace & Defense
Bar / FlatAMS 41632219T3511Aerospace & Defense
Tube / Profile / ExtrusionAMS 41622219T8511Aerospace & Defense
PlateUNS A922192219T3General Industry
PlateEN AW2219T8General Industry

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

Applications

Where EN AW-2219 is the right answer

  • Welded fuel and oxidizer tanks
  • Supersonic airframe skins
  • High-temperature structural parts
  • Cryogenic equipment

Specifying EN AW-2219?

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-2219 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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