Sandvik SANMAC 4571 is a Sandvik hollow bar material. It is a stabilized austenitic stainless steel grade in hollow bar that meets the chemical requirements of DIN WNr. 1.4571 and UNS S31635, but has improved machinability. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as heat treating, machining, and joining. Filing Code: SS-930. Producer or source: Sandvik Steel Company.