Chemical Composition Base Element Fe (Iron) Al (Aluminum) 0.02 to 0.06 % C (Carbon) 0.12 to 0.2 % Cu (Copper) 0.35 % (maximum) Fe (Iron) 97.1 to 98.9 % (estimate) Mn (Manganese) 0.5 to 0.8 % Mo (Molybdenum) 0.25 to 0.35 % Nb (Niobium) 0.01 to 0.06 % Ni (Nickel) 0.35 % (maximum) P (Phosphorus) 0.035 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.15 to 0.4 % Ti (Titanium) 0.02 to 0.06 % V (Vanadium) 0.02 to 0.1 % Zr (Zirconium) 0.015 to 0.06 % 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. Mechanical Properties Yield Strength 250 MPa Ultimate Tensile Strength 440 to 560 MPa Elongation 20 % strain Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Nickel molybdenum steel Alloy Sub-Group 4615/ 4617 Country Hungary Standards Body MSZ (Hungary) Description Boiler, pressure vessel; 40.1-60 mm; heat-treated Designation KL8 Specification Type Standard Specification MSZ 1741 Specification Year 1989 Specification Status 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 Magyar Szabvanyugyi Testulet (MSZT) (Hungarian Standards Institution)
No warranty is given for the accuracy of these data Copyright © 2024 ASM International®

Chemical Composition