Type CN-7M covers a group of related complex iron-nickel-chromium-molybdenum-copper alloys that contain more nickel than chromium. The high nickel content together with molybdenum and copper give these alloys especially good resistance to sulfuric acid and many reducing chemicals. Among the alloys included in Type CN-7M, the so-called 20 alloy is produced in greatest quantity. The physical and mechanical property data herein are for the 20 alloy. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-393. Producer or source: Various stainless steel casting companies.

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