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Strength in numbers

Aluminium Alloy   |   AMS

AMS 4342 T74511 Bar

Commercial7050

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


Chemical Composition

SAE AMS 4342
Alloy 4342
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 4342 bar is supplied in temper T74511

  • T74511

Supplied Forms

Alloy AMS 4342 in temper T74511 is supplied as bar

  • Bar
  • Extrusions
  • Tube

Mechanical Properties

SAE AMS 4342
Bar -
Mechanical Property Value
Proof Stress 434 Min MPa
Tensile Strength 503 Min MPa
Elongation A50 mm 6 Min %

These Mechanical Properties are for AMS 4342 bar in the T74511 temper