Cast Iron Electrode ,welding electrode, welding rod1Application welding electrode , repair welding of grey cast iron strength of which is not so highly required .2 chemical composition of depostited metal (%) C Mn Si Fe Cu Ni V S P standard value ≤1.0 ≤2.5 ≤0.8 ≤6.0 24-35 60-70 ≤1.0 ≤0.025 ---