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  • Drill Pipe

    Drill Pipe

    Grades: E75, X95, G105, S135


    Drill Pipe
    2-3/8" to 7-5/8" OD, Range 2 and 3

    Heavy Weight
    2-3/8" to 6-5/8" OD, Range 2 and 3

    Drill Collars
    2-7/8" to 14"


    Connection threads: NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH.
    Internal Upset: IU, EU, IEU


    Heavy weight drill pipe is a medium-weight drilling pipe, (referred standards in API SPEC 7-1). It has bigger wall thickness than common drilling pipe and smaller than drill collar. 

    Mechanical Properties API Steel Drill Pipe


    Grade E-75 X-95 G-105 S-135
    Yield Strength (minimum psi) 75,000 95,000  105,000  135,000
    Yield Strength (maximum psi) 105,000 125,000  135,000  165,000
    Tensile Strength (minimum psi) 100,000 105,000  115,000  145,000

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