... -cored welding wire. Uses: E309LT1-1 Used for stainless steel structures of the same types, composite steel, dissimilar steel, etc. in the ... production of equipment of synthetic fiber, petrochemical industry, etc., and also used for surfacing ... ~25)%CO2 E309LT1-1 Diameter: 1.2-1.6mm Certificate of Approval: CCS, ABS,GL,BV,LR,NK,DNV,KR,RINA ...