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  • Sheets

  • Rod / Round Bar / Flat Bar

  • Tube / Extrusions / Profile

2219

AMS QQ-A-250/30 / AlCu6Mn / 2219 / T351

Chemical Properties % Value
Silicon (Si)0,00 - 0,20
Manganese (Mn)0,20 - 0,40
Magnesium (Mg)0,00 - 0,02
Copper (Cu)5,80 - 6,80
Titanium (Ti)0,02 - 0,10
Iron (Fe)0,00 - 0,30
Zinc (Zn)0,00 - 0,10
Aluminium (Al)Balance
Physical Properties Value
Density2.85 g/cm³
Melting Point543 °C
Thermal Expansion22 x 10^-6 /K
Modulus of Elasticity74 GPa
Thermal Conductivity120 W/m.K
Electrical Resistivity%30 IACS
Mechanical Properties Value
Proof Strength2800 g/cm³
Yield Strength640 °C
Shear Strength22.8 x 10^-6 /K
Elongation A50 mm73000 GPa
Hardness134 - 135 W/m.K
2219 T351 aluminum exhibits high strength and is widely used in aerospace applications.

 

ALLOY DESIGNATIONS
 
2219 T351 has the following standard designations and specifications.

As Plate/Sheet; 2219 T351, ASTM B209, UNS A92219, AMS 4031, AMS QQ-A-250/30A, ISO AlCu6Mn

As Cold Drawn Seamless Round/Flat Bar and Tube; 2219 T351, AMS 4068, ISO AlCu6Mn, UNS A92219, QQ-A-430, UNS A92219

As Cold Drawn Round/Flat Bar and Tube; 2219 T351, ASTM B221UNS A92219, ISO AlCu6Mn

 

Choosing Factors for 2219 T351

  • Strength: Very good
  • Machining: Poor
  • Weldability: Great
  • Formability: Good
  • Corrosion Resistance: Satisfactory
  • Heat Treating: Yes
 

Some Well-Known Applications for 2219 T351

In high strength weldaments,

In fuel tanks and aircraft materials,

It is used in engineering applications and generally in the aerospace sector.

 

SUPPLIED FORMS
 
2219 T351 is produced/supplied in plate/sheet, round/flat bar and tube/profile forms.
  • Rod / Round Bar / Flat Bar
  • Plate/Sheet
  • Tube/Profile
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 6.3 up to & incl. 25.4 317 MPa 427 MPa %8
Over 25,4 up to & incl. 50,8 317 MPa 427 MPa %7