Hobart desSDX 317L dcription: SDX 317L 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").