ALLVAC 500 ZB is an austenitic precipitation hardening alloy which develops outstanding tensile, fatigue and stress-rupture properties. It is suited to longtime service requirements up to 1800 F (982 C). It is produced by vacuum induction melting plus vacuum arc remelting. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-380. Producer or source: Allvac Inc..