Chemical Composition Base Element Fe (Iron) B (Boron) 0.0008 to 0.005 % C (Carbon) 0.18 to 0.24 % Fe (Iron) 98.4 to 99 % (estimate) Mn (Manganese) 0.6 to 0.9 % P (Phosphorus) 0.035 % S (Sulfur) 0.035 % Si (Silicon) 0.1 to 0.4 % Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Other Information Material Class Ferrous Alloy Alloy Family Carbon Steel Alloy Group Low-carbon steel and HSLA steel Alloy Sub-Group Boron steel Country France Standards Body AFNOR (France) Designation 21B3 Specification Type Standard Specification AFNOR NF A35-566 Specification Status Active Specification Status Notes active Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations Association Francaise de Normalisation (AFNOR) (French Association for Standardization)
No warranty is given for the accuracy of these data Copyright © 2024 ASM International®

Chemical Composition