Chemical Composition Base Element Fe (Iron) C (Carbon) 0.1 to 0.2 % Cr (Chromium) 24 to 27 % Fe (Iron) 65.8 to 71.6 % (estimate) Ni (Nickel) 3.5 to 5.5 % Si (Silicon) 0.8 to 1.5 % 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 Yield Strength 400 MPa Ultimate Tensile Strength 600 to 850 MPa Elongation 16 % strain Other Information Material Class Ferrous Alloy Country Germany Description Ferritic-austenitic. DIN X20CrNiSi254; WNr. 1.4821. 400 N/mm2 YS, 600-850 N/mm2 TS, 16 El. Designation FERROTHERM 4821 Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations Krupp Stahl AG
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Chemical Composition