C17200 Beryllium Copper for Fatigue-Resistant Copper Alloy Springs in Advanced Mechanical Systems

NGK positions C17200 Beryllium Copper for fatigue-resistant copper alloy springs in advanced mechanical 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. High fatigue strength is one of the key reasons C17200 keeps appearing in serious spring applications. For manufacturers, that means better reliability in service and fewer compromises during forming, machining or assembly.

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