Tender For corrigendum : supply of electrode e 7018 4mm , electrode e 7018 5mm , electrode e 312 4 mm , electrode e312 5 mm , electrode gouging 4 mm , electrode gouging 5 mm , electrode gouging 8 mm air arc , electrode e 6013 ms 3 point 15 mm , electrode e 6013 ms 4 mm , special electrodes e 11018 g 4mm