Aluminium, AMSAMS 4342 T74511 Bar & Extrusion

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

Used in aircraft structural parts, aluminium alloy AMS 4342-7050 is an aerospace grade of aluminium combining high strength, stress corrosion cracking resistance and toughness.

It is particularly suited for heavy plate applications (3" to 6" thick) due to its lower quench sensitivity and retention of strength in thicker sections.

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Range Enquiry

To enquire about our range or your specific requirements, please contact your local service centre.

Temper Types

  • T74511


Chemical Composition


  • Aircraft structural parts
  • Fuselage frames
  • Bulkheads
  • Wing skins


  • High strength
  • Good resistance to exfoliation and stress cracking
  • Good fracture toughness & fatigue resistance

Find your local Service Centre

An extensive UK network of Service Centres, backed up by a central distribution facility.

  • Experienced multi-product specialists

  • In-house state of the art processing facilities

  • Large fleet of bespoke delivery vehicles

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