C17200 Beryllium Copper for Female Connector Contacts in Aviation Electrical Systems

NGK positions C17200 Beryllium Copper for female connector contacts in aviation electrical systems. C17200, or CuBe2 / Berylco 25, is described by NGK as the reference beryllium copper alloy across strip, rod, wire and other forms. It reaches the highest mechanical strength and hardness of any copper alloy after age hardening while still offering good formability, fatigue strength and stress-relaxation resistance. The aeronautics page specifically calls out the female side of connectors because retention reliability matters. The result is a more credible material choice for teams trying to balance performance, durability and manufacturing efficiency.

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