ALLVAC RENE 41 in the age-hardened condition has exceptionally high strength at room temperature and in the 1200-1800 F (649-982 C) temperature range. It is produced by double vacuum melting (induction + vacuum arc or induction + electroslag remelting). This datasheet provides information on composition, physical properties, and elasticity. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-392. Producer or source: Allvac Inc..