... Electrode AWS E6020 2) ISO9001,CE,TUV,DB,CE 3) Dia: 2.0mm,2.5mm,3.2mm;4.0mm;5.0mm; AWS E6020 ... played up the side wall. Mild Steel Electrode AWS E6020 GB E4320Introduction: E6020 is a kind of carbon steel electrode with ferric oxide type coating. AC ... ,000 psi Elongation: 28% Charpy V notch: Not Required Low Carbon Steel Welding Rod / Welding Electrode AWS E6020