Z248 cast iron electrode 
 Model GB / T: EZC 
 Description: cast iron core, strong cast iron graphite electrode, graphite ability, deposited metal and base metal in the organization, performance, and the same color, AC, DC. 
 Uses: gray cast iron welding, especially for large cast iron welding. 
 Chemical Composition of Deposited Metal /% 
 C 2-4 Si 2.5-6.5 Mn ≤ 0.75 Fe I