Produces high quality welds when used on dirty, oily or rusty steel. High silicon content increases fluidity of the weld pool creating a smooth bead appearance and minimal post-weld grinding. Sound, porosity-free welds with powerful deoxidizers for your work with shielding gas. Great for construction work, farm implement fabrication, tanks, truck bodies and general shop applications. All positions; requires shielding gas: CO2 and /or CO2 mix. | Hobart Welders 030" Solid Welding Wire ER70S-6 Carbon Steel | Size 2 lb