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API Couplings

  • 1.Sizes from 1.05 to 4-1/2inch
    2.Available with EUE and NUE Threads
    3.Steel Grade:J-55, L-80, N-80, C-95, P-110
    4.Surface has highly polished coating with clearly color band identification
    5.Packaging: wooden pallet, tight wrapped /W paper carton

    API EUE and NUE Tubing Couplings

  • 1.Applied in Casing from 4-1/2 to 20inch.
    2.Thread Types:STC,LTC and BTC
    3.Steel Grade: J55, N80, L80, P110 ect.
    4.Meeting API Specification 5CT
    5.Casing Coupling Pipe Grade identification by Paint Color

    casing couplings with Short Thread(STC),Long Thread(LTC),Buttress Thread(BTC)