Range attributes C (Carbon) 0.06 to 0.1 % Cr (Chromium) 0.9 to 1.2 % Cu (Copper) 0.35 % (maximum) Elongation 20 % strain (minimum) Fe (Iron) 94.8 to 96.8 % (estimate) Mn (Manganese) 1.2 to 1.7 % Mo (Molybdenum) 0.45 to 0.65 % Ni (Nickel) 0.25 % (maximum) P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.025 % (maximum) Si (Silicon) 0.6 to 0.9 % Ultimate Tensile Strength 550 MPa (minimum) Yield Strength 440 MPa (minimum) Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group Miscellaneous chromium molybdenum steel Available forms Wrought Base Element Fe (Iron) Country China Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Active Specification Type Standard Standards Body SAC (China) Short text attributes Composition Note_old 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. Country* China Description_old Welding wire Designation ER 55-B2-Mn Specification GB/T 8110 Specification Status Notes Active in 2005 Long text attributes 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. Description Welding wire Hyperlink attributes Similar Alloys Click here to find similar alloys Integer attributes Specification Year 1995 Further Information Organizations China State Bureau of Quality and Technical Supervision (CSBTS) (GB/JB/YB)
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Range attributes

C (Carbon)

0.06 to 0.1