electrode cap:high conductivity, high hardness used in spot welding has passed the ... alloy material (such as CuCrZr, CuCr0.5, CuZr0.2, CuBeNi, CuNiSiCr and CuAg), electrode cones, electrode ... have been enjoying fine reputation for our good quality and good service. And we have established ... biggest diameter of disc is φ500electrode cap:1. used in spot welding2. material CuCr(C18200),CuCrZr(C18150), CuZr ...