Hexangular Rod , material is copper alloy: CuCrZr, CuCr, CuZr, CuBeNi, CuNi2SiCr has passed the authentication of ISO9001 Hexangular Rod:1. material: CuCrZr(C18150),CuCr(C18200),CuZr(C15000),CuBeNi(C17510),CuNi2SiCr(C18000).2. size: as required Hexangular Rod