Z238SnCu cast iron electrode 
 Model GB / T: EZCQ 
 Description: low carbon steel core, strong graphite cast iron welding rod, adding a certain amount of balls to strengthen elements of the agent and tin-copper, deposited metal has a high ball of stability, mechanical properties, and AC DC. 
 Uses: ductile iron, compacted graphite cast iron, alloy cast iron, malleable iron and gray cast iron welding and welding 
 Chemical Composition of Deposited Metal /% 
 C 3.5-4 Si 3.5 Mn ≤ 0.8 RE Mg Cu Sn amount