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Strength in numbers

Aluminium Alloy   |   AMS

AMS 4050 T7451 Plate

Commercial7050

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


Chemical Composition

SAE AMS 4050
Alloy 4050
Chemical Element % Present
Aluminium (Al) balance
Chromium (Cr) 0.04 max
Other (Each) 0.05 max
Titanium (Ti) 0.06 max
Manganese (Mn) 0.1 max
Silicon (Si) 0.12 max
Iron (Fe) 0.15 max
Zirconium (Zr) 0.08 - 0.15
Others (Total) 0.15 max
Copper (Cu) 2 - 2.6
Magnesium (Mg) 1.9 - 2.6
Zinc (Zn) 5.7 - 6.7

Temper Types

Alloy AMS 4050 plate is supplied in temper T7451


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

Thickness (mm) Proof Strength (Min) Tensile Strength (Min) Elongation % (Min)
Over 6.3 up to & incl. 51 441 510 9
Over 51 up to & incl. 76 434 503 8
Over 76 up to & incl. 102 427 496 6
Over 102 up to & incl. 127 421 490 5
Over 127 up to & incl. 152 414 483 4
Over 152 up to & incl. 178 407 476 4
Over 178 up to & incl. 203 400 469 4