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7149

AMS 4343 / AlZn8MgCu(A) / 7149 / T73511

Chemical Properties % Value
Silicon (Si)0,00 - 0,40
Chromium (Cr)0,10 - 0,22
Manganese (Mn)0,00 - 0,20
Magnesium (Mg)2,00 - 2,90
Copper (Cu)1,20 - 1,90
Titanium (Ti)0,00 - 0,10
Iron (Fe)0,00 - 0,20
Zinc (Zn)7,20 - 8,20
Aluminium (Al)Balance
Physical Properties Value
Density2.84 g/cm³
Melting Point477 °C
Thermal Expansion23.4 µm/m.°C
Modulus of Elasticity72 GPa
Thermal Conductivity155 W/m.K
Electrical Resistivity%40 IACS
Mechanical Properties Value
Proof Strength485 MPa
Yield Strength550 MPa
Shear Strength326 MPa
Elongation A50 mm12 %
Hardness86 HB
7149 T73511 aluminum exhibits high strength and is widely used in aerospace applications.

 

ALLOY DESIGNATIONS
 
7149 T73511  has the following standard designations and specifications.

Extruded Round/Flat Bars and Tubes per; 7149 T73511, ASTM B221, AMS 4343, UNS A97149, ISO AlZn8MgCu(A)

 

Choosing Factors for 7149 T73511

  • Strength: Excellent
  • Machining: Good
  • Weldability: Poor
  • Formability: Average
  • Corrosion Resistance: Good
  • Heat Treating: Yes
 

Some Well-Known Applications for 7149 T73511

In structural parts in the aviation industry.

It is also used in the defence and transportation industries.

 

SUPPLIED FORMS
 
7149 T73511 is produced/supplied in  round/flat bar and tube/profile forms.
  • Round/Flat Bar
  • Tube/Profile
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 6.3 up to & incl. 12.6 462 MPa 538 MPa %9
Over 12,7 up to & incl. 25,4 469 MPa 538 MPa %7
Over 25,4 up to & incl. 50,8 462 MPa 531 MPa %6
Over 50,8 up to & incl. 63,5 441 MPa 524 MPa %6
Over 63,5 up to & incl. 76,2 421 MPa 496 MPa %5
Over 76,2 up to & incl. 88,9 400 MPa 490 MPa %5
Over 88,9 up to & incl. 101,6 372 MPa 462 MPa %3