... 5 is a kind of gas-shielded flux-cored welding wire for low-carbon steel and 490MPa high strength steel. ... oxide-calcium fluoride type CO2 gas-shielded flux-cored welding wire with excellent welding performance, stable arc, good slag detachability, ... , mechanical manufacture, pressure vessels, petrochemical machinery, hoisting machinery, etc. Diameter: 0.8-1.6mmpacking: 15kgs /spool+ppbag+carton