... electrode cap and on the tip A) Product Name: Chromium zircomium copper bar for motor rotorB) Chemical Compostion according to ... 50≥70≥75≥φ50(forging)>38065~75≥75 D) Advantage:With high strength and hardness, good thermal conductivity, electrical conductivity ... , wear resistance, reduced wear resistance, cold and hot with good pressure processing, welding, and can be age-hardening treatment ...