Chemical Composition Base Element Fe (Iron) C (Carbon) 0.1 % (maximum) Cr (Chromium) 0.4 to 0.65 % Fe (Iron) 97.6 to 98.9 % (estimate) Mn (Manganese) 0.35 % (minimum) Mo (Molybdenum) 0.4 to 0.65 % P (Phosphorus) 0.03 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 0.45 % (maximum) V (Vanadium) 0.5 % (maximum) 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 460 MPa (minimum) Ultimate Tensile Strength 550 MPa (minimum) Elongation 14 % strain (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Chromium molybdenum steel Alloy Sub-Group Miscellaneous chromium molybdenum steel Country India Standards Body BIS (India) Description Cr-Mo rutile flux covered electrode for manual arc welding all-weld metal deposit, stress relieved Designation E55 R-B1 Specification Type Standard Specification IS 1395 Specification Year 1997 Specification Status Active Specification Status Notes active 1997 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Wrought, Welding filler / rod Similar Alloys Click here to find similar alloys Links Organizations Bureau of Indian Standards (BIS)
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Chemical Composition