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.

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