All position, single pass, flux cored welding wire designed to weld carbon steelShielding gas is not requiredProduces smooth arc action, low spatter, full slag coverage, and easy slag removalBead appearance is not equal to a gas-shielded product, but the benefits of not having to use gas makes this product extremely popularOperates on DC straight polarity (DCEN)Make sure your power source is set properly for a good, non-porous weld