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K7 | CuNi14Al3Fe1 | WL 2.1504

CuNi14Al3Fe1

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K7 | CuNi14Al3Fe1 | WL 2.1504
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  • ISO composition : CuNi14Al3Fe1
  • Other norms :

    WL 2.1504
    LN 9468
     

Product forms

Bars & Hollow Bars

Applications

Aerospace mechanical performance parts

K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468 key properties

K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468 is a wrought copper nickel aluminum alloy engineered for high‑strength and high‑reliability applications requiring consistent mechanical performance. Non‑magnetic by nature, K7 offers excellent resistance to mechanical wear, galling and marine corrosion, making it suitable for demanding aerospace operating environments. Compliant with WL 2.1504, K7 meets aerospace material requirements for copper‑based alloys used in high‑performance structural and mechanical applications.

K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468 exhibits outstanding physical and mechanical properties, ensuring reliable behavior in components subjected to repeated mechanical loading and severe service conditions. Demonstrating excellent resistance to metal‑to‑metal wear, this alloy is particularly suited for heavily stressed aerospace components, including bushings and bearing systems requiring long service life and optimized performance. Referenced under LN 9468, K7 confirms its suitability for aerospace applications exposed to demanding mechanical, temperature and pressure conditions.

As a wrought copper nickel aluminum alloy, K7 delivers a balanced combination of mechanical strength, wear resistance and reliability, making it a dependable solution for long‑lasting aerospace components with optimized TCO.
 

Designation
Available forms
Composition
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K7
CuNi14Al3Fe1

WL 2.1504

LN 9468
datasheet
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K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468 Applications

Aerospace industry
K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468 is mainly used in aerospace for heavily stressed airframe components, including landing gear bushings and bearing bushings, where resistance to metal‑to‑metal wear and high mechanical reliability are essential.
K7 is also used in cargo system bushings, plane doors, actuating sleeves, control surface components, and a wide range of mechanical and electromechanical systems.

Other aerospace applications
K7 | CuNi14Al3Fe1 | WL 2.1504 | LN 9468 is also used on helicopters, particularly for flap systems and bushings, where its wear resistance allows operation with limited or no lubrication.