Defense key products

Defense advanced aluminium solutions

A tireless proponent of research and innovation, Constellium has developed a key aluminium product offer for military aircraft, armor and other defense applications.

Constellium’s advanced alloys

Constellium is able to provide advanced alloys and solutions for almost every defense application. This capacity reflects our commitment to research and development, our strategy of collaborative customer partnerships for innovation, and the standard of our network of plants in North America and Europe.

Military aircraft alloys

For military aircraft, we supply advanced alloys to provide the best materials solution for each individual aircraft component.

Such alloys include our proprietary alloy 7050, available in plates and extrusions, as well as our new 7140 plate, which offers greater strength, lower density and maintenance, and improved corrosion resistance for many applications.

Armor alloys

Constellium Keikor

KEIKOR™ is the best Armor Suite available for armored vehicles, when both survivability and mobility matter. Its unrivalled performance is what will make the needed difference on the battlefield.

In 2013 the KEIKOR™ line is available with 3 specific solutions:


Constellium Keikor-Integral

KEIKOR™ INTEGRAL has been designed to provide a unique combination of performance across all threat types (Blast, Fragmented Simulating Projectiles FSP and Armor Piercing AP). It is ideally suited for hull design and is weldable to ensure an efficient manufacturing process.

KEIKOR™ INTEGRAL provides the most complete protection available on the market while enabling armored vehicles to keep a maximum mobility.


Constellium Keikor-Blast

KEIKOR™ BLAST is the best available solution against blast threats while maintaining vehicle mobility. Specifically developed for underbellies of armored vehicles, the performance of KEIKOR™ BLAST has been demonstrated by real-scale blast testing to compare its protection level to conventional alloys.


Constellium Keikor-AP

Designed to obtain the ultimate protection against Armor Piercing threats, KEIKOR™ AP is the most performing solution to design Appliqué or other vehicle subsystems principally exposed to AP threats.

Constellium endeavours to further develop the KEIKOR™ solutions range by offering a complete range of 2xxx, 5xxx and 7xxx series solutions with ultimate performances.

No need to choose between survivability and mobility. The KEIKOR™ Suite is the most performing Armor solution to combine extreme protection level and vehicle mobility. Because soldiers need both. 


Constellium’s KEIKOR™ BLAST solution, the 2139 alloy with a specific blast temper, is highly resistant to blast events and has demonstrated an improvement of 55% over standard alloy in terms of permanent deflection.

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Last update 23 January 2017