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7050

ASTM B221 / AlZn6CuMgZr / 7050 / T76

Chemical Properties % Value
Silicon (Si)0,00 - 0,12
Chromium (Cr)0,00 - 0,04
Manganese (Mn)0,00 - 0,10
Magnesium (Mg)1,90 - 2,60
Copper (Cu)2,00 - 2,60
Titanium (Ti)0,08 - 0,21
Iron (Fe)0,00 - 0,15
Zinc (Zn)5,70 - 6,70
Aluminium (Al)Balance
Physical Properties Value
Density2,80 g/cm³
Melting Point610 °C
Thermal Expansion21.7 µm/m.°C
Modulus of Elasticity71 GPa
Thermal Conductivity153 W/m.K
Electrical Resistivity35 % IACS
Mechanical Properties Value
Proof Strength490 MPa
Yield Strength552 MPa
Shear Strength324 MPa
Elongation A50 mm11 %
Hardness147 HB
7050 T76 aluminum exhibits mid strength and is widely used in aerospace applications.

 

ALLOY DESIGNATIONS
 
7050 T76 has the following standard designations and specifications.
 
Plates and sheets per; 7050 T76, EN 4449, WNR 3.4144, UNS A97050, ISO AlZn6CuMgZr, 
 
Extruded Round/Flat Bar and Tubes,Wires per; 7050 T76WNR 3.4144, UNS A97050, ISO AlZn6CuMgZr

 

Choosing Factors for 7050 T76

  • Strength: Excellent
  • Machining: Okay
  • Weldability: Low
  • Formability: Medium
  • Corrosion Resistance: Very good
  • Heat Treating: Yes
 

Some Well-Known Applications for 7050 T76

As fasteners in airplanes and aircrafts,

In the automotive sector,

Also used in the nuclear industry.

 

SUPPLIED FORMS
 
7050 T76 is produced/supplied in plate/sheet round/flat bar and tube/profile forms.
  • Rod / Round Bar / Flat Bar
  • Plate
  • Sheet
  • Tube/Profile
DELIVERY: