• 9341 Penn Ave S, Bloomington, MN 55431
  • 800-447-3317

We supply C17200 in a variety of forms including Bar and Rod, Wire, Cut Plate, Sheet, and Strip.

C17200 beryllium copper is the most commonly asked for of CuBe alloys. Also known as Alloy 25 or RWMA Class 4, this alloy is capable of reaching the highest strength and hardness of all the copper alloys.

Chemical Data and Specifications for C17200 Beryllium Copper.

Chemical Range
Element Minimum Maximum
Aluminum -- 0.20
Beryllium 1.80 2.0
Nickel + Cobalt 0.20 --
Nickel + Cobalt + Iron -- 0.6
Copper Remainder --
Silicon -- 0.20


AMS 4650
RWMA Class 4
UNS C17200

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