Carpenter CTS-B90 alloy is a high-carbon, chromium-molybdenum-vanadium martensitic stainless steel that provides high hardness and wear resistance. This alloy attains a hardness of up to HRC 57/59 when heat treated and is used for knives, cutting tools, and bearing applications. This datasheet provides information on composition, physical properties, and hardness. It also includes information on corrosion and wear resistance as well as forming, heat treating, and machining. Filing Code: SS-1155. Producer or source: Carpenter Specialty Alloys.

Carpenter CTS 20HC is a version of type 420 martensitic stainless steel containing nominal 0.5% carbon content. The chemical composition and processing of CTS 20HC have been tailored to provide a uniform, fine carbide structure that can be considered for the manufacture of thin sections and fine blanking operations. This alloy can achieve a tempered hardness capability of HRC 55. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion and wear resistance as well as forming, heat treating, and machining. Filing Code: SS-1188. Producer or source: Carpenter Specialty Alloys.

Berylco 20CR is the most widely used high strength beryllium copper casting alloy. This alloy can be heat treated to high hardness and tensile strengths; it has high impact strength and good corrosion resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: Cu-18. Producer or source: Beryllium Corporation.