Beryllium copper is also known as BeCu or Beryllium Bronze having 0.5 to 3% Beryllium.
It is a copper alloy with a load-bearing capacity and is the strongest of all copper alloys. Alloy 25 also known as CuBe2 contains 2% of beryllium. It has a unique combination of high strength and excellent electrical conductivity.
Today it is used for electronics and various other engineering applications Grades: UNS C17200, C17510, C17500, CuCoNiBe