Hydrogen controlled ("low hydrogen") E7016 series stick welding electrodes with a special Twin Flux Coating for superior arc stability - in Foil-Sealed 2KG Vacuum Packs. Commonly used for mild or high strength steel, where the joint requires higher strength than regular "GP" electrodes, such as highly restrained joints or components subject to higher load stress. Also used as a buffer layer prior to hard facing. 16XT welding rods are All-Positional (except for vertical down), easy striking & smooth running, with low spatter & easy slag removal. Available in 2.5mm, 3.2mm & 4.0mm. AWS A5.1 E7016 H8 & AS/NZS 4855: B E4916 A U H10 classifications.