ER70S-6 is the most used copper coated steel welding wire, this is because of its versatility and ability to be welded in single or multi-pass welding applications. Commonly referred to as just “S-6”, it is easy to weld with, boasting a very high combination of deoxidizers (Manganese and Silicon) allowing it to be used in almost every weld shop. Excellent puddle fluidity and wetting action with little post weld work required.