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7079

ASTM B221 / AlZn4Mg3Cu / 7079 / O

Chemical Properties % Value
Silicon (Si)0,00 - 0,40
Chromium (Cr)0,18 - 0,28
Manganese (Mn)0,00 - 0,30
Magnesium (Mg)2,10 - 2,90
Copper (Cu)1,20 - 2,00
Titanium (Ti)0,00 - 0,20
Iron (Fe)0,00 - 0,50
Zinc (Zn)5,10 - 6,10
Aluminium (Al)Balance
Physical Properties Value
Density2.81 g/cm³
Melting Point635 °C
Thermal Expansion23.5 x 10^-6 /K
Modulus of Elasticity72 GPa
Thermal Conductivity134-160 W/m.K
Electrical Resistivity%40 IACS

A high strength aerospace aluminium alloy with good resistance to stress-corrosion cracking.

TEMPER TYPES

Alloy AMS 4050 plate is supplied in temper T7451

  • T651
  • T451

SUPPLIED FORMS

Alloy AMS 4050 in temper T7451 is supplied as Plate

  • Bar
  • Extrusions
  • Tube

MECHANICAL PROPERTIES

These Mechanical Properties are for AMS 4050 Plate in the T7451 temper

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