K7

Copper Nickel Aluminum Alloy

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K7 is a wrought copper nickel aluminum alloy CuNi14Al3Fe1 (LN 9468 and WL 2.1504) designed for high strength and high reliability applications. It is non-magnetic and resists mechanical wear, galling and marine corrosion.

It is easily machined into complex components whilst being environmentally friendly being both lead and beryllium free.

K7 is used within the aerospace industry thanks to its outstanding physical and mechanical properties in many varied components.

Lebronze alloys has developed a full range of Copper Nickel Aluminum matching the Aerospace industry stringent requirements.

  • High mechanical properties
  • High ductility
  • Outstanding resistance to corrosion & erosion
  • Excellent wear and galling
  • Resistance
  • Good machinability
  • Good thermal properties
  • Good impact resistance
  • No sparks on impact
  • Strictly non-magnetic
  • Stable performance at both elevated and sub-zero temperatures -193 °F up to 572°F
  • Dimensional stability

Lebronze Alloys manufacturing process for K7 is fully integrated : internal processes include casting, hot and cold working, heat treatment and non-destructive testing. Being fully integrated ensures reactivity and complete traceability.

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