E7018, LB, Weld Rod, Mild Steel Low Hydrogen Welding Electrodes Easily Produces Quality Results On Smaller Amperage DC Or Higher Amperage AC Welders, Suitable For All Positions On Hardens Steels Where No Preheat Is Used & On Cold Rolled Steels Normally Exhibiting Excessive Porosity When Welded With Conventional Rod, Low Hydrogen Content Reduces Cracking & Peeling Of The Weld Material, Use For Field Erections, Steel Structures, Frames, Trailer Hitches & Chassis.