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5-1/2" K55 BC Coupling

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    5-1/2" K55 BC Coupling

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    Brand Name : oilfield
    Certification : API 5CT
    Model Number : 1“9~20”
    Price : 1~300 dollar
    Payment Terms : D/P & LC &T/T
    Supply Ability : 2800000 pcs
    Delivery Time : 20 days
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    5-1/2" K55 BC Coupling

    The Product Standard: API SPEC 5CT9thPSL1; PSL2; PSL3;

    Size:1"9~20"

    Grade:H40,J55,K55,N80,L80,R95(C95),T95,P110,Q125


    API round thread casing coupling size, tolerance and quality(mm)
    sizeODlengthl ength

    Bore diameter

    Bearing

    surface width

    Quality


    Quality

    coupling

    mateial


    short threadlong threadshort threadlong thread
    4-1/2127.00158.75177.80116.683.973.624.15127.0*13.0
    5141.30165.10196.85129.384.764.665.75142*14.5
    5-1/2153.67171.45203.20142.083.185.236.42154*14
    6-5/8187.71184.15222.25170.666.359.1211.34188*17
    7200.03184.15228.60180.184.7610.8813.92201*18
    7-5/8215.90190.50234.95197.645.5612.3015.63216*18
    8-5/8244.48196.85254.00223.046.3516.2321.67245*21
    9-5/8269.88196.85266.70248.446.3518.0325.45270*21
    10-3/4298.45203.20---277.026.3520.78---299*21
    11-3/4323.85203.20---302.426.3522.64---324*21
    13-3/8365.12203.20---343.696.3525.66---365*21
    16431.80228.60---411.965.5634.91---432*23
    18-5/8508.0228.60---478.635.5654.01---508*26
    20533.40228.60292.10513.565.5643.4257.04534.0*23


    API Buttress Thread casing coupling size, tolerance and quality(mm)
    size

    OD

    The standard

    coupling

    OD

    Special

    clearance

    couplings


    min

    length

    Bore

    diameter

    Bearing

    surface width

    The standard

    coupling

    Quality(kg)


    Special

    clearance

    couplings

    Quality(kg)

    coupling

    mateial


    WWCNLQb
    4-1/2127.00158.75177.80116.683.974.553.48127.0*13.0
    5141.30165.10196.85129.384.765.854.00142*14.5
    5-1/2153.67171.45203.20142.083.186.364.47154*14
    6-5/8187.71184.15222.25170.666.3511.015.65188*17
    7200.03184.15228.60180.184.7613.986.28201*18
    7-5/8215.90190.50234.95197.645.5615.829.29216*18
    8-5/8244.48196.85254.00223.046.3520.8610.80245*21
    9-5/8269.88196.85266.70248.446.3523.1612.02270*21
    10-3/4298.45203.20---277.026.3525.7413.39299*21
    11-3/4323.85203.20---302.426.3528.03---324*21
    13-3/8365.12203.20---343.696.3531.77---365*21
    16431.80228.60---411.965.5640.28---432*23
    18-5/8508.0228.60---478.635.5662.68---508*26
    20533.40228.60292.10513.565.5650.10---534.0*23


    API Non-upset Thread tubing coupling size,tolerance and quality(mm)


    SizeOD

    Min

    Length

    Bore

    diameter

    Bearing

    surface

    width

    The maximum

    bearing surface

    diameter special chamfer


    Quality

    (kg)

    1"955.8895.2549.861.5952.070.56
    2-3/873.02107.9561.934.7666.681.28
    2-7/888.90130.1874.634.7680.982.34
    3-1/2107.95142.8890.504.7698.423.71
    4120.65146.05103.204.76111.424.35
    4-1/2132.08155.58115.904.76123.194.89

    API External Upset Thread tubing coupling size ,tolerance and quality(mm)


    sizeOD

    The standard

    coupling

    OD

    Special

    clearance

    couplings

    min

    length

    Bore

    diameter

    The maximum bearing surfaceWith special

    chamfer standard coupling

    The maximum

    bearing surface

    diameter (Special clearance)

    Standard couplingQuanlitySpecial clearance Quanlity
    1"963.50---98.423.1858.34---0.84---
    2-3/877.8073.91123.823.9771.8369.901.551.07
    2-7/893.1787.88133.355.5685.8883.242.401.55
    3-1/2114.30106.17146.056.35104.78100.714.102.38
    4127.00---152.406.35117.48---4.82---
    4-1/2141.30---158.756.35130.96---6.05---

    Quality 5-1/2" K55 BC Coupling for sale
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