INCONEL Filler Metal 601 is a nickel-base alloy that is used for gas-tungsten-arc welding of INCONEL alloy 601. It is the preferred welding product for all gas-tungsten-arc welding of alloy 601. This weld metal is comparable to the base metal (INCONEL alloy 601) in resistance to corrosion and oxidation. This datasheet provides information on composition and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-329. Producer or source: Inco Alloys International Inc..