317 Stainless Steel Threaded Rods are austenitic stainless steel threaded rods made from alloys containing chromium, nickel and molybdenum. Stainless steel 317 threaded rod for use in corrosive environments. ASTM A276 Type 317 is a material grade specification for 317 stainless steel cold-worked or hot-worked bar in round, square, hexagonal, and other hot-rolled extruded shapes. The ASTM A276 specification covers the chemical composition, mechanical properties, heat treatment, and other supplemental requirements for 317 stainless steel round, square, hexagonal, and other extruded profiles.