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7012

ASTM B221 / AlZn6Mg2Cu / 7012 / T6

Chemical Properties % Value
Silicon (Si)0,00 - 0,15
Chromium (Cr)0,00 - 0,04
Manganese (Mn)0,08 - 0,15
Magnesium (Mg)1,80 - 2,20
Copper (Cu)0,80 - 1,20
Titanium (Ti)0,02 - 0,08
Iron (Fe)0,00 - 0,25
Zinc (Zn)5,80 - 6,50
Aluminium (Al)Balance
Physical Properties Value
Density2.81 g/cm³
Melting Point470 °C
Thermal Expansion23.2 µm/m.°C
Modulus of Elasticity71.1 GPa
Thermal Conductivity117 W/m.K
Electrical Resistivity%31 IACS
Mechanical Properties Value
Proof Strength540 MPa
Yield Strength580 MPa
Shear Strength354 MPa
Elongation A50 mm%7
Hardness150 HB

7012 is an alloy with low corrosion resistance, generally used in the aerospace industry.

 

ALLOY DESIGNATIONS
 
7012 T6 has the following standard designations and specifications.

Cold Drawn Round/Flat Bars per; 7012 T6ISO AlZn6Mg2Cu, ASTM B211, UNS A97012

Extruded Round/Flat Bar and Tubes per; 7012 T6, ISO AlZn6Mg2Cu, ASTM B221, UNS A97012

 

Choosing Factors for 7012 T6

  • Strength: Medium
  • Machining: Very good
  • Weldability: Satisfactory
  • Formability: Moderate
  • Corrosion Resistance: Poor
  • Heat Treating: Yes
 

Some Well-Known Applications for 7012 T6

It is used in limited structural applications in the aerospace industry where complex and high machinability feature is required.

 

SUPPLIED FORMS

7012 T6 is produced/supplied in the sheet, tube/profile, round/flat bar forms.
  • Round/Flat Bar
  • Tube/Profile
DELIVERY: