API 5CT SMLS casing K55-N80 whole sale

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  • API 5CT SMLS casing K55-N80 whole sale
  • API 5CT SMLS casing K55-N80 whole sale
  • API 5CT SMLS casing K55-N80 whole sale
  • API 5CT SMLS casing K55-N80 whole sale
  • API 5CT SMLS casing K55-N80 whole sale

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1. 100% after-sales quality and quantity assurance.
2. Professional sales manager quickly reply within 24 hours.
3. Large Stock for regular sizes.
4. Free sample 20cm high quality.
5. Strong produce capability and capital flow.


  • Standard: API, ASTM, API 5CT, ASTM A106-2006
  • Thickness: 3.68 - 16.13 mm
  • Outer Diameter: 48.26 - 508 mm
  • Application: OIL PIPE
  • Certification: API
  • Special Pipe: API Pipe
  • Tolerance: ±2%
  • Processing Service: Welding, Cutting
  • Advantage: High Performance
  • End finish: STC,LTC, BTC & Premium connection
  • Grade: API J55-API P110, API J55, API K55, API N80, API L80, API P110
  • Section Shape: Round
  • Place of Origin: Tianjin China
  • Technique: Hot Rolled
  • Surface Treatment: Black painting
  • Alloy Or Not: Non-Alloy
  • Type: Seamless Steel Pipe
  • Secondary Or Not: Non-secondary
  • Payment method: TT/LC
  • Length: 5.8m,6m, 11.8m,12m or as required
  • Delivery: 7-30days
  • Special Use: Building industry machinery, low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical
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    According to American Petroleum Institute Standard API SPEC 5CT1988 1st edition, the steel grade of API 5CT oil casing pipe can be divided into ten types, including H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110 and Q-125. We supply the casing pipe & API 5CT K55 Casing Tubing accompanied with thread and coupling, or we offer our product in accordance with the following forms for option.

    If you are interested in API 5CT K55 Casing Tubing, we will supply you with the best price based on the highest quality, welcome everyone to cantact us,E-mail:sales@ytdrgg.com,and Remote factory inspection or factory visit

     

    API 5CT K55 Casing Tubing Specfications

    API 5CT K55 CASING TUBING SPECIFICATIONS
    Available Sizes 2 3/8″, 2 7/8″ and 3 ½” Outer Diameter
    Grades J55, J55-FBNAU, N80, L80, P110
    Tubing 1 1/4 “ – 2 1/16” Nom.
    Standards API SPEC 5CT
    Model in Common Use 2-3/8″, 2-7/8″, 3-1/2″, 4″, 4-1/2″
    Length Range R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m)
    Steel Grade (Casing Grades, Tubing Grades) J55, K55, N80-1, N80-Q, L80, P110
    Type of Screw Thread Non upset threaded end(NUE), External upset threaded end(EUE)
    Specialties
    • Coating to customer specifications
    • External upset
    • Couplings – EUE, AB Modified, turned down, special clearance couplings
    • Pup Joints
    • Heat treating
    • Hydrostatic Testing
    • Drifting (Full-length, or just ends)
    • Full third-party inspection capabilities (EMI, SEA, and Weld Line)
    • Threading
    End Finishing External Upset Ends (EUE), Flush Joint, PH6 (and equivalent connections), Integral Joint (IJ)

     

    API 5CT K55 Casing Tubing Tensile & Hardness Requirement

    Group Grade Type Total elongation under load % Yield strength MPa Tensile strength min. MPa Hardness a max. Specified wall thickness mm Allowable hardness variation b HRC
    min. max . HRC HBW
    1 2 3 4 5 6 7 8 9 10 11
    1
    H40
    -
    0.5
    276
    552
    414
    -
    -
    -
    -
    J55
    -
    0.5
    379
    552
    517
    -
    -
    -
    -
    K55
    -
    0.5
    379
    552
    655
    -
    -
    -
    -
    N80
    1
    0.5
    552
    758
    689
    -
    -
    -
    -
    N80
    Q
    0.5
    552
    758
    689
    -
    -
    -
    -
    R95
    -
    0.5
    655
    758
    724
    -
    -
    -
    -
    2
    M65
    -
    0.5
    448
    586
    586
    22
    235
    -
    -
    L80
    1
    0.5
    552
    655
    655
    23
    241
    -
    -
    L80
    9Cr
    0.5
    552
    655
    655
    23
    241
    -
    -
    L80
    13Cr
    0.5
    552
    655
    655
    23
    241
    -
    -
    C90
    1
    0.5
    621
    724
    689
    25.4
    255
    ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40
    3.0 4.0 5.0 6.0
    T95
    1
    0.5
    655
    758
    724
    25.4
    255
    ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40
    3.0 4.0 5.0 6.0
    C110
    -
    0.7
    758
    828
    793
    30
    286
    ≤ 12.70 12.71 to 19.04 19.05 to 25.39. ≥ 25.40
    3.0 4.0 5.0 6.0
    3
    P110
    -
    0.6
    758
    965
    862
    -
    -
    -
    -
    4
    Q125
    1
    0.65
    862
    1034
    931
    b
    -
    ≤ 12.70 12.71 to 19.04 ≥ 19.05
    3.0 4.0 5.0
    a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
    b No hardness limits are specified, but the maximum variation is restricted in accordance with 7.8 and 7.9 of API Spec. 5CT.

     

    K55 Casing Tubing Dimensions

    Pipe Casing Sizes, Oilfield Casing Sizes & Casing Drift Sizes
    Outer Diameter (Casing Pipe Sizes) 4 1/2″-20″, (114.3-508mm)
    Standard Casing Sizes 4 1/2″-20″, (114.3-508mm)
    Thread Type Buttress thread casing, Long round thread casing, Short round thread casing
    Function It can protect the tubing pipe.

    Oil Tube For Petroleum And Natural Gas Industries

    Name of Pipes Specification Steel Grade Standard
    D (S) (L)
    (mm) (mm) (m)
    Petroleum Casing Pipe 127-508 5.21-16.66 6-12 J55. M55. K55.
    L80. N80. P110.    		 API Spec 5CT (8)
    Petroleum Tubing 26.7-114.3 2.87-16.00 6-12 J55. M55. K55.
    L80. N80. P110.    		 API Spec 5CT (8)
    Coupling 127-533.4 12.5-15 6-12 J55. M55. K55.
    L80. N80. P110.    		 API Spec 5CT (8)

     

    API 5CT K55 Casing Tubing Features

    • API 5CT K55 Casing Tubing is offered with a free length range from 8m to 13m on basis of the SY/T6194-96 norm. However, it is also available no less than 6m length and its quantity should be no more than 20%.
    • Deformations which mentioned above are not allowed to appear on the outer surface of API 5CT K55 Casing Tubing coupling.
    • Any deformation such as hairline, separation, crease, crack or scab is not acceptable on both inner and outer surfaces of the product. All these defects should be completely removed and the removed depth must not exceed 12.5% of nominal wall thickness.
    • The surface of thread of coupling and API 5CT K55 Casing Tubing should be smooth without any burr, tear or other defects that may have a negative impact on the strength and close connection.

     

    It’s important for oil and gas operators to protect their production well casings from corrosion with cathodic protection & API 5CT OilField Tubing primarily serves to transfer oil and gases.

     

    API 5CT Grade K55 Casing Tubing Steel Color Code

    Ad J55 K55 N80-1 N80-Q L80-1 P110
    Casing a bright green band two bright green bands a bright red band a bright red band + a green band a red band + a brown band a bright white band
    Coupling entire green coupling + a white band entire green coupling entire red coupling entire red coupling + a green band entire red coupling + a brown band entire white coupling

     

    ISO/API casing/ API 5CT K55 Casing Tubing specifications

    Codea Outer Dia Nominal weight
    (with thread and
    coupling) b,c    		 Wall Thickness End processing type
    mm kg/m mm H40 J55 M65 L80 N801 C90d P110 Q125d
    In Lb/ft K55 C95 N80Q T95d
    1 2 3 4 5 6 7 8 9 10 11 12 13
    4-1-2 9.5 114.3 14.14 5.21 S S S - - - - -
    4-1-2 10.5 114.3 15.63 5.69 - SB SB - - - - -
    4-1-2 11.6 114.3 17.26 6.35 - SLB - LB LB - LB -
    4-1-2 13.5 114.3 20.09 7.37 - - LB - LB - - -
    4-1-2 15.1 114.3 22.47 8.56 - - - - - - LB LB
    5 11.5 127 17.11 5.59 - S S - - - - -
    5 13 127 19.35 6.43 - SLB SLB - - - - -
    5 15 127 22.32 7.52 - SLB LB - - - LB -
    5 18 127 26.79 9.19 - - LB - LB - - LB
    5 21.4 127 31.85 11.1 - - LB - LB - - LB
    5 23.2 127 34.53 12.14 - - - LB - - - LB
    5 24.1 127 35.86 12.7 - - - LB - - - LB
    5-1-2 14 139.7 20.83 6.2 S S S - - - - -
    5-1-2 15.5 139.7 23.07 6.98 - SLB SLB - - - - -
    5-1-2 17 139.7 25.3 7.72 - SLB LB - - LB - -
    5-1-2 20 139.7 29.76 9.17 - - LB - LB - - -
    5-1-2 23 139.7 34.23 10.54 - - - LB - LB - -
    6-5-8 20 168.28 29.76 7.32 S SLB SLB - - - - -
    6-5-8 24 168.28 35.72 8.94 - SLB LB - - LB - -
    6-5-8 28 168.28 41.67 10.59 - - - - LB - LB -
    6-5-8 32 168.28 47.62 12.06 - - - LB LB
    7 17 177.8 25.3 5.87 S - - - - - - -
    7 20 177.8 29.76 6.91 S S S - - - - -
    7 23 177.8 34.23 8.05 - SLB LB LB - -
    7 26 177.8 38.69 9.19 - SLB LB LB -
    7 29 177.8 43.16 10.36 - - LB LB -
    7 32 177.8 47.62 11.51 - - LB LB LB -
    7 35 177.8 52.09 12.65 - - - LB LB LB
    7-5-8 24 193.68 35.72 7.62 S - - - - - - -
    7-5-8 26.4 193.68 39.29 8.33 - SLB LB LB -
    7-5-8 29.7 193.68 44.2 9.52 - - LB LB -
    7-5-8 33.7 193.68 50.15 10.92 - - LB LB -
    7-5-8 39 193.68 58.04 12.7 - - - LB LB
    7-5-8 42.8 193.68 63.69 14.27 - - - LB LB LB
    7-5-8 45.3 193.68 67.41 15.11 - - - LB LB LB
    7-5-8 47.1 193.68 70.09 15.88 - - - LB LB LB
    8-5-8 24 219.08 35.72 6.71 - S S - - - - -
    8-5-8 28 219.08 41.67 7.72 S - S - - - - -
    8-5-8 32 219.08 47.62 8.94 S SLB SLB - - - - -
    8-5-8 36 219.08 53.57 10.16 - SLB SLB LB LB -
    8-5-8 40 219.08 59.53 11.43 - - LB LB -
    8-5-8 44 219.08 65.48 12.7 - - - LB LB
    8-5-8 49 219.08 72.92 14.15 - - - LB LB LB

     

    API 5CT Casing pipe Codea API 5CT Casing pipe Outer diameter API 5CT Casing pipe Nominal weight
    (with thread
    and coupling) b,c    		 API 5CT Casing pipe Wall thickness API 5CT Casing pipe End processing type
    mm kg/m mm H40 J55 M65 L80 N80 C90d P110 Q125d
    In Lb/ft K55 C95 1, Q T95d
    1 2 3 4 5 6 7 8 9 10 11 12 13
    9-5-8 32.3 244.48 48.07 7.92 S - - - - - - -
    9-5-8 36 244.48 53.57 8.94 S SLB SLB - - - - -
    9-5-8 40 244.48 59.53 10.03 - SLB SLB LB LB LB - -
    9-5-8 43.5 244.48 64.73 11.05 - - LB LB LB LB LB -
    9-5-8 47 244.48 69.94 11.99 - - LB LB LB LB LB LB
    9-5-8 53.5 244.48 79.62 13.84 - - - LB LB LB LB LB
    9-5-8 58.4 244.48 86.91 15.11 - - - LB LB LB LB LB
    10-3-4 32.75 273.05 48.74 7.09 S - - - - - - -
    10-3-4 40.5 273.05 60.27 8.89 S SB SB - - - - -
    10-3-4 45.5 273.05 67.71 10.16 - SB SB - - - - -
    10-3-4 51 273.05 75.9 11.43 - SB SB SB SB SB SB -
    10-3-4 55.5 273.05 82.59 12.57 - - SB SB SB SB SB -
    10-3-4 60.7 273.05 90.33 13.84 - - - - - SB SB SB
    10-3-4 65.7 273.05 97.77 15.11 - - - - - SB SB SB
    11-3-4 42 298.45 62.5 8.46 S - - - - - - -
    11-3-4 47 298.45 69.94 9.53 - SB SB - - - - -
    11-3-4 54 298.45 80.36 11.05 - SB SB - - - - -
    11-3-4 60 298.45 89.29 12.42 - SB SB SB SB SB SB SB
    13-3-8 48 339.72 71.43 8.38 S - - - - - - -
    13-3-8 54.5 339.72 81.1 9.65 - SB SB - - - - -
    13-3-8 61 339.72 90.78 10.92 - SB SB - - - - -
    13-3-8 68 339.72 101.19 12.19 - SB SB SB SB SB SB -
    13-3-8 72 339.72 107.15 13.06 - - - SB SB SB SB SB
    16 65 406.4 96.73 9.53 S - - - - - - -
    16 75 406.4 111.61 11.13 - SB SB - - - - -
    16 84 406.4 125.01 12.57 - SB SB - - - - -
    18-5-8 87.5 473.08 130.21 11.05 S SB SB - - - - -
    20 94 508 139.89 11.13 SL SLB SLB - - - - -
    20 106.5 508 158.49 12.7 - SLB SLB - - - - -
    20 133 508 197.93 16.13 - SLB - - - - - -
    S-Short round thread, L-Long round thread, B-Buttress thread
    a. Code is used for ordering reference.
    b. The nominal weight of threaded and coupled casing (column 2) is shown for reference only.
    c. Martensitic chromium steel (L80 9Cr and 13Cr) differs from carbon steel in density. The shown weight of martensitic chromium steel is not an exact value. The mass correction factor 0.989 can be used.
    d. C90, T95 and Q125 steel grade casing should be supplied according to specification, weight and wall thickness listed in the above table or order.

     

    API 5CT K55 Chemical Composition

    Group Grade Type C Mn Mo Cr Ni max. Cu max. P max. S max. Si max.
    min. max. min. max. min. max. min. max.
    1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
    1 H40 - - - - - - - - - - - 0.03 0.03 -
    J55 - - - - - - - - - - - 0.03 0.03 -
    K55 - - - - - - - - - - - 0.03 0.03 -
    N80 1 - - - - - - - - - - 0.03 0.03 -
    N80 Q - - - - - - - - - - 0.03 0.03 -
    R95 - - 0.45 c - 1.9 - - - - - - 0.03 0.03 0.45
    2 M65 - - - - - - - - - - - 0.03 0.03 -
    L80 1 - 0.43 a - 1.9 - - - - 0.25 0.35 0.03 0.03 0.45
    L80 9Cr - 0.15 0.3 0.6 0.9 1.1 8 10 0.5 0.25 0.02 0.01 1
    L80 13Cr 0.15 0.22 0.25 1 - - 12 14 0.5 0.25 0.02 0.01 1
    C90 1 - 0.35 - 1.2 0.25 b 0.85 - 1.5 0.99 - 0.02 0.01 -
    T95 1 - 0.35 - 1.2 0.25 d 0.85 0.4 1.5 0.99 - 0.02 0.01 -
    C110 - - 0.35 - 1.2 0.25 1 0.4 1.5 0.99 - 0.02 0.005 -
    3 P110 e - - - - - - - - - - 0.030 e 0.030 e -
    4 Q125 1 - 0.35 1.35 - 0.85 - 1.5 0.99 - 0.02 0.01 -
    a The carbon content for L80 may be increased up to 0.50 % maximum if the product is oil-quenched.
    b The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the wall thickness is less than 17.78 mm.
    c The carbon content for R95 may be increased up to 0.55 % maximum if the product is oil-quenched.
    d The molybdenum content for T95 Type 1 may be decreased to 0.15 % minimum if the wall thickness is less than 17.78 mm.
    e For EW Grade P110, the phosphorus content shall be 0.020 % maximum and the sulfur content 0.010 % maximum.
    NL = no limit. Elements shown shall be reported in product analysis.

     

    API 5CT k55 Gr. Mechanical Properties

    API 5CT Casing Standard Type API 5CT Casing Tensile Strength
    MPa    		 API 5CT Casing Yield Strength
    MPa    		 API 5CT Casing Hardness
    Max.
    API SPEC 5CT J55 ≥517 379 ~ 552 —-
    K55 ≥517 ≥655 —
    N80 ≥689 552 ~ 758 —
    L80(13Cr) ≥655 552 ~ 655 ≤241HB
    P110 ≥862 758 ~ 965 —-
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    • The company attaches great importance to the quality of products, invests heavily in the introduction of advanced equipment and professionals, and goes all out to meet the needs of customers at home and abroad.
    The content can be roughly divided into: chemical composition, yield strength, tensile strength, impact property, etc
    At the same time, the company can also carry out on-line flaw detection and annealing and other heat treatment processes according to customer needs.

    Website: https://www.ytdrintl.com/

    E-mail :sales@ytdrgg.com

    Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd. is a steel pipe factory certified by EN/ASTM/ JIS specializing in the production and export of all kinds of square rectangular pipe, galvanized pipe, ERW welded pipe, spiral pipe, submerged arc welded pipe, straight seam pipe, seamless pipe, color coated steel coil, galvanized steel coil and other steel products.With convenient transportation, it is 190 kilometers away from Beijing Capital International Airport and 80 kilometers away from Tianjin Xingang.

    Whatsapp:+8613682051821

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