Carpenter 20Mo-6 HS is an alloy in the generic family of 6% molybdenum alloys, which are very corrosion resistant. This steel also possesses an excellent resistance to environmental cracking. (See also Carpenter 20Mo-6, Alloy Digest SS-444, May 1984.) This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ni-556. Producer or source: Carpenter.