Chemical Composition Base Element Fe (Iron) C (Carbon) 0.04 to 0.1 % Cr (Chromium) 15.5 to 17.5 % Fe (Iron) 64.3 to 70.2 % (estimate) Mo (Molybdenum) 1.1 to 1.5 % N (Nitrogen) 0.06 to 0.14 % Nb (Niobium) 1.2 % (maximum) Ni (Nickel) 12.5 to 14.5 % V (Vanadium) 0.6 to 0.8 % Balance Fe (Iron) Other elements 10xC less than or equal to Nb 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 255 MPa Ultimate Tensile Strength 540 to 740 MPa Elongation 30 % strain Other Information Material Class Ferrous Alloy Country Germany Description Austenitic. DIN X8CrNiMoVNb1613; WNr. 1.4988. 255 N/mm2 YS, 540-740 N/mm2 TS, 30 El. Designation CRONIDUR 4988 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
No warranty is given for the accuracy of these data Copyright © 2024 ASM International®

Chemical Composition