Chemical Composition Base Element Fe (Iron) C (Carbon) 0.08 % Cr (Chromium) 19.5 % Fe (Iron) 67.4 % (estimate) Mo (Molybdenum) 2.5 % Ni (Nickel) 10.5 % Balance Fe (Iron) Composition Note Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Brinell Hardness 140 to 165 Other Information Material Class Ferrous Alloy Country USA Description Cast: 140-165 HB; For corrosion resisting parts; paper mill sulfite; resists mineral acids; austenitic; corrosion resistant. Designation B&W NO. 642 Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Casting Similar Alloys Click here to find similar alloys Links Organizations Babcock & Wilcox (Power Generation Group)
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Chemical Composition