Feature: Product Features: AWS Classification: ER70S-2. 1/16" diameter, 36" length A premium, multiple deoxidized wire. ER70S-2 Conforms to AWS A5.18 ER70S-2. ER70S2 is a premium MIG & TiG wire for welding on all grades of mild and carbon steels, producing quality welds with minimal porosity. It is a triple deoxidized wire (Zirconium, Titanium, and Aluminum) making it an excellent choice for welding over rust and mill scale. No flux is required with this product. Typical Applications: Repairs on a variety of mild and low alloy steel; Small diameter pipe and tubing; Sheet metal applications; Root pass pipe welding. .