• IRP Sour Service Grade Drill Pipe

    SS is specifically designed and manufactured to meet stringent Canadian IRP requirements. These special alloy materials combine reduced carbon chemistries with advanced quenched and tempered processes for optimal SSC resistance, even in highly concentrated H2S environments.

    Specifications

    Grade Yield Strength (ksi)Tensile Strength (ksi) Hardness Requirement (HRC)NACE TM0177 Tool Joint Hardness (HRC)Tool Joint SMYS (ksi)
      MinMaxMinMaxMin / Max Avg. / Max Single Max Avg.Max Single 
    SS 75759595115N/A / 22.0 / 24.0853032110
    SS 959511010513018.0 / 25.0 / 27.0853032110
    SS 10510512011514021.0 / 28.0 / 29.0853032110
    NACE tested to 65% SMYS
    NACE testing frequency shall be once per heat, heat treat lot or every 200 joints, whichever is most frequent.

     

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