A Comparison of As-Welded and Stress-Relieved 2¼Cr-1Mo Steel Electroslag Weldments: Microstructure and Properties

    Published: Jan 1982

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    Electroslag weldments of 102-mm (4-in.)-thick annealed 2¼Cr-1Mo steel have been microstructurally and mechanically evaluated in the following conditions: aswelded, stress relieved at 690°C, and stress relieved at 760°C. The fusion zones and heat-affected zones were significantly toughened by postweld heat treatment, a result attributed to changes in the carbide composition and morphology caused by tempering.


    electroslag welding, chromium-molybdenum steel, microstructure

    Author Information:

    Serrano, OV
    Politechnica del Litoral, Gauyaquil,

    Edwards, GR
    Professor, Colorado School of Mines, Golden, Colo

    Frost, RH
    Professor, Colorado School of Mines, Golden, Colo

    Committee/Subcommittee: A01.22

    DOI: 10.1520/STP28420S

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