Hobart SDX 316L description: SDX 316L is an austenitic stainless steel solid wire for submerged arc welding. Hobart recommends using this wire with the following fluxes(es): SWX 220. In an effort to best serve the packaging needs and requirements of our customers globally, this product has part numbers exclusive to customers in North America, and others exclusive to customers outside of North America (part numbers ending in "0"). Customers in North America can obtain a complete list of diameters and packaging by contacting Hobart Brothers at (800) 424-1543. Customers outside North America can obtain a complete list of diameters and packaging by contacting an ITW Welding regional sales office.