Stainless Steel Type 303Pb is a lead bearing, free-cutting, austenitic steel. It contains a nominal 18% Chromium, 8% Nickel and 0.3% free machining addition which is divided between lead and sulfur. This steel was designed for superior machinability to provide its users with increased production. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-110. Producer or source: Joslyn Stainless Steels.