Chemical Composition Base Element Fe (Iron) C (Carbon) 0.45 to 0.6 % Cr (Chromium) 0.8 to 1.15 % Fe (Iron) 96.3 to 97.9 % (estimate) Mn (Manganese) 0.55 to 1.05 % Mo (Molybdenum) 0.15 to 0.5 % P (Phosphorus) 0.025 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.15 to 0.35 % 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 448 MPa (minimum) Ultimate Tensile Strength 689 MPa (minimum) Elongation 14 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group 4161/4161H Country USA Standards Body ASTM (USA) Description Forged steel rolls used in machinery for producing corrugated paperboard; trunnion tensile requirements >860. Designation Class 1A Grade 2 Specification Type Standard Specification ASTM A649/A649M-99 Specification Year 2003 Specification Status Active Specification Status Notes active 2003 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 American Society for Testing and Materials (ASTM)
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Chemical Composition