Cast Iron Welding Rod 1.AWS A5.11 2.ENiFe-CI 3.Dia ... ,BV,CCS,DNV,GL,LR,NK,KR,TUV,CWB Cast Iron Welding Rod Standard: AWS A5.11Dia: 2.6-5.0mm All ... : Nickel base core-electrode, suitable for butt jointing of cast iron and suitable for repair of broken parts.