CMW 3950 is a tungsten bearing sintered alloy of high density and high strength. It is a powder metallurgical product and one of a series of alloys with densities 50% greater than lead. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and bend strength as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as machining and joining. Filing Code: W-11. Producer or source: CMW Inc. Originally published as Mallory 3950, March 1968, revised September 2000.