Chemical Composition Base Element Fe (Iron) C (Carbon) 0.26 % (maximum) Cr (Chromium) 0.9 to 1.2 % Fe (Iron) 96.9 to 98.3 % (estimate) Mn (Manganese) 0.5 to 0.8 % Ni (Nickel) 0.2 to 0.35 % P (Phosphorus) 0.05 % (maximum) S (Sulfur) 0.05 % (maximum) Si (Silicon) 0.1 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 56.6 ksi (minimum) Ultimate Tensile Strength 79.8 ksi (minimum) Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Nickel chromium steel Alloy Sub-Group Low-carbon nickel chromium steel Country India Standards Body BIS (India) Description CD electric resistance butt-welded steel tubes, O.D.<=114.3 mm; as drawn and tempered and subsequently ann, brazed or welded Designation CDS-7 Specification Type Standard Specification IS 3074 Specification Year 2002 Specification Status Active Specification Status Notes active 2002 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 Bureau of Indian Standards (BIS)
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Chemical Composition