J55,Drill Pipe,Piling Pipe,Stainless Steel Bar

J55

Heat Exchanger Tubes,Drill Collars,Galvanized square tube
J55,Drill Pipe,Piling Pipe,Stainless Steel Bar

J55

The American Petroleum Institute specification API 5CT J55 Pipe is designed for use in the oil and gas industry. API 5CT J55 is a commonly used petroleum casing pipe material. It is produced according to the API 5CT standard and used in a variety of well types, both oil and natural gas. The main purposes of using casing or tubing are to protect the wellbore from collapse and to provide a conduit for well fluids. The casing is placed in the well first, followed by tubing, which is often smaller in diameter and thus can be nested inside the casing. Both casing and tubing must be made from strong materials that can withstand the high pressures and temperatures encountered deep underground. API 5CT J55 meets these requirements and is, therefore, an excellent choice for OCTG (oil country tubular goods) applications. It is typically produced as seamless steel pipe, but can also be procured in welded form. API 5CT J55 has a relatively high yield strength and good fatigue resistance, making it an ideal choice for high-pressure, high-load applications such as petroleum products. Thanks to its versatility and affordability, API 5CT J55 is one of the most popular steel grades used in OCTG applications today.
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  • THE APPLICATIONS OF API 5CT J55 CASING AND TUBING

    API 5CT J55 casing and tubing are used in a variety of well applications for the petroleum industry. The J55 casing pipe is a relatively common one in oil and gas drilling. Its relatively affordable price point and its ability to protect the well make it a popular choice among well operators. The J55 tubing is similarly well suited for petroleum operations. Its steel makeup gives it greater strength and durability than some of the other options on the market, making it ideal for high-pressure applications. When used together, API 5CT J55 casing and tubing provide an economical and reliable solution for well operators.

  • CHEMICAL COMPOSITION OF API 5CT J55

    Grade Type C Mn Mo Cr Ni max. Cu max. P max. S max. Si max.
    min. max. min. max. min. max. min. max.
    J55 – – – – – – – – – – – 0.03 0.03 –

  • MECHANICAL ANALYSIS OF API 5CT J55

    API 5CT Casing Pipe Standard API 5CT Casing Pipe Type
    API 5CT Casing Pipe Tensile Strength
    MPa
    API 5CT Casing Pipe Yield Strength
    MPa
    API 5CT Casing Pipe Hardness
    Max.
    API SPEC 5CT J55 ≥517 379 ~ 552 —

  • API 5CT J55 CASING & TUBING SPECIFICATIONS

    - Specification & Size of API 5CT J55 Tubing

    DN O. D. Weight W. T. End Processing
    Non-upset coupling-thread Upset coupling-thread Steel Grade
    in mm lb./ft. lb./ft. in mm H40 J55 L80 N80 C90 T95 P110
    2 3/8 2.38 60.3 4 – 0.167 4.24 PU PN PN PN PN PN –
    4.6 4.7 0.19 4.83 PNU PNU PNU PNU PNU PNU PNU
    5.8 5.95 0.254 6.45 – – PNU PNU PNU PNU PNU
    6.6 – 0.295 7.49 – – P – P P –
    7.35 7.45 0.336 8.53 – – PU – PU PU –
    2 7/8 2.88 73 6.4 6.5 0.217 5.51 PNU PNU – – – – –
    7.8 7.9 0.276 7.01 – – – – – – –
    8.6 8.7 0.308 7.82 – – PLB PLB PLBE – PLB
    9.35 9.45 0.34 8.64 – – PLB PLB PLBE – PLB
    10.5 – 0.392 9.96 – – PLB PLB PLB – PLB
    11.5 – 0.44 11.18 – – – – PLB –  
    3 1/2 3.5 88.9 7.7 – 0.216 5.49 PN PN PN PN PN PN –
    9.2 9.3 0.254 6.45 PNU PNU PNU PNU PNU PNU PNU
    10.2 – 0.289 7.34 PN PN PN PN PN PN –
    12.7 12.95 0.375 9.52 – – PNU PNU PNU PNU PNU
    14.3 – 0.43 10.92 – – P – P P –
    15.5 – 0.476 12.09 – – P – P P –
    17 – 0.53 13.46 – – P – P P –
    4 4 102 9.5 – 0.226 5.74 PN PN PN PN PN PN –
    – 11 0.262 6.65 PU PU PU PU PU PU –
    13.2 – 0.33 8.38 – – P – P P –
    16.1 – 0.415 10.54 – – P – P P –
    18.9 – 0.5 12.7 – – P – P P –
    22.2 – 0.61 15.49 – – P – P P –
    4 1/2 4.5 114 12.6 12.75 0.271 6.88 PNU PNU PNU PNU PNU PNU –
    15.2 – 0.337 8.56 – – P – P P –
    17 – 0.38 9.65 – – P – P P –
    18.9 – 0.43 10.92 – – P – P P PLB
    21.5 – 0.5 12.7 – – P – P P PLB
    23.7 – 0.56 14.22 – – P – P P PLB
    26.1 – 0.63 16 – – P – P P PLB
    P——Plain；N—— Non-upset coupling-thread；U—— Upset coupling-thread； L——Integral


    - Specification & Size of API 5CT J55 Casing

    DN O. D. Weight W. T.   End Machining Form
      Steel Grade
    in mm lb/ft kg/m in mm H40 J55 L80 N80 C90 P110
    K55 T95
    4 1/2 4.500 114.3 9.5 14.14 0.205 5.21 PS PS – – – –
    10.5 15.63 0.224 5.69 – PSB – – – –
    11.6 17.26 0.250 6.35 – PSLB PLB PLB PLB PLB
    13.5 20.09 0.290 7.37 – – PLB PLB PLB PLB
    15.1 22.47 0.337 9.56 – – – – – PLB
    5 5.000 127 11.5 17.11 0.220 5.59 – PS – – – –
    13 19.35 0.253 6.43 – PSLB – – – –
    15 22.32 0.296 7.52 – PSLB PLB PLB PLBE PLB
    18 26.79 0.362 9.19 – – PLB PLB PLBE PLB
    21.4 31.85 0.437 11.1 – – PLB PLB PLB PLB
    23.2 34.53 0.478 12.14 – – – – PLB –
    24.1 35.86 0.500 12.7 – – – – PLB –
    5 1/2 5.500 139.7 14 20.83 0.244 6.2 PS PS – – – –
    15.5 23.07 0.275 6.98 – PSLB – – – –
    17 25.3 0.304 7.72 – PSLB PLB PLB PLBE PLB
    20 29.76 0.361 9.17 – – PLB PLB PLBE PLB
    23 34.23 0.415 10.54 – – PLB PLB PLBE PLB
    26.8 39.88 0.500 12.7 – – – – – –
    29.7 44.2 0.562 14.27 – – – – – –
    32.6 48.51 0.625 15.88 – – – – – –
    35.3 52.53 0.687 17.45 – – – – – –
    38 56.55 0.750 19.05 – – – – – –
    40.5 60.27 0.812 20.62 – – – – – –
    43.1 64.14 0.875 22.22 – – – – – –
    6 5/8 6.625 168.28 20 29.76 0.288 7.32 PS PSLB – – – –
    24 35.72 0.352 8.94 – PSLB PLB PLB PLBE PLB
    28 41.67 0.417 10.59 – – PLB PLB PLBE PLB
    32 47.62 0.475 12.06 – – PLB PLB PLBE PLB
    7 7.000 177.8 17 25.3 0.231 5.87 PS – – – – –
    20 29.76 0.272 6.91 PS PS – – – –
    23 34.23 0.317 8.05 – PSLB PLB PLB PLBE –
    26 38.69 0.362 9.19 – PSLB PLB PLB PLBE PLB
    29 43.16 0.408 10.36 – – PLB PLB PLBE PLB
    32 47.62 0.453 11.51 – – PLB PLB PLBE PLB
    35 52.09 0.498 12.65 – – PLB PLB PLBE PLB
    38 56.55 0.540 13.72 – – PLB PLB PLBE PLB
    42.7 63.54 0.625 15.88 – – – – – –
    46.4 69.05 0.687 17.45 – – – – – –
    50.1 74.56 0.750 19.05 – – – – – –
    53.6 79.77 0.812 20.62 – – – – – –
    57.1 84.97 0.875 22.22 – – – – – –
    7 5/8 7.625 193.68 24 35.72 0.300 7.62 PS – – – – –
    26.4 39.29 0.328 8.33 – PSLB PLB PLB PLBE PLB
    29.7 44.2 0.375 9.52 – – PLB PLB PLBE PLB
    33.7 50.15 0.430 10.92 – – PLB PLB PLBE PLB
    39 58.05 0.500 12.7 – – PLB PLB PLBE PLB
    42.8 63.69 0.562 14.27 – – PLB PLB PLB PLB
    45.3 67.41 0.595 15.11 – – PLB PLB PLB PLB
    47.1 70.09 0.625 15.88 – – PLB PLB PLB PLB
    51.2 76.19 0.687 17.45 – – – – – –
    55.3 80.3 0.750 19.05 – – – – – –
    8 5/8 8.625 219.08 24 35.72 0.264 6.71 – PS – – – –
    28 41.62 0.304 7.72 PS – – – – –
    32 47.62 0.352 8.94 PS PSLB – – – –
    36 53.57 0.400 10.16 – PSLB PLB PLB PLBE PLB
    40 59.53 0.450 11.43 – – PLB PLB PLBE PLB
    44 65.48 0.500 12.7 – – PLB PLB PLBE PLB
    49 72.92 0.557 14.15 – – PLB PLB PLBE PLB
    9 5/8 9.625 244.48 32.3 48.07 0.312 7.92 PS – – – – –
    36 53.57 0.352 8.94 PS PSLB – – – –
    40 59.53 0.395 10.03 – PSLB PLB PLB PLBE –
    43.5 64.73 0.435 11.05 – – PLB PLB PLBE PLB
    47 69.94 0.472 11.99 – – PLB PLB PLBE PLB
    53.5 79.62 0.545 13.84 – – PLB PLB PLBE PLB
    58.4 86.91 0.595 15.11 – – PLB PLB PLB PLB
    59.4 88.4 0.609 15.47 – – – – – –
    64.9 96.58 0.672 17.07 – – – – – –
    70.3 104.62 0.734 18.64 – – – – – –
    75.6 112.5 0.797 20.24 – – – – – –
    10 3/4 10.750 273.05 32.75 48.74 0.279 7.09 PS – – – – –
    40.5 60.27 0.350 8.89 PS PSB – – – –
    15.5 67.71 0.400 10.16 – PSB – – – –
    51 75.9 0.450 11.43 – PSB PSB PSB PSBE PSB
    55.5 82.59 0.495 12.57 – – PSB PSB PSBE PSB
    60.7 90.33 0.545 13.84 – – – – PSBE PSB
    65.7 97.77 0.595 15.11 – – – – PSB PSB
    73.2 108.93 0.672 17.07 – – – – – –
    79.2 117.86 0.734 18.64 – – – – – –
    85.3 126.94 0.797 20.24 – – – – – –
    11 3/4 11.750   42 62.5 0.333 8.46 PS – – – – –
    47 69.94 0.375 20.24 – – – – – –
    54 80.36 0.435 8.46 – – – – – –
    60 89.29 0.489 9.53 – – – – – –
    65 96.73 0.534 11.05 – – – – – –
    71 105.66 0.582 14.42 – – – – – –
    13 3/8 13.375 339.73 48 71.43 0.330 8.38 PS – – – – –
    54.5 81.1 0.380 9.65 – PSB – – – –
    61 90.78 0.430 10.92 – PSB – – – –
    68 101.19 0.480 12.19 – PSB PSB PSB PSB PSB
    72 107.15 0.514 13.06 – – PSB PSB PSB PSB
    16 16.000 406.4 65 96.73 0.375 9.53 PS – – – – –
    75 111.61 0.438 11.13 – PSB – – – –
    84 125.01 0.495 12.57 – PSB – – – –
    109 162.21 0.656 16.66 – P P P – P
    18 5/8 18.625 473.08 87.5 130.21 0.435 11.05 PS PSB – – – –
    20 20.000 508 94 139.89 0.438 11.13 PSL PSLB – – – –
    106.5 158.49 0.500 12.7 – PSLB – – – –
    133 197.93 0.635 16.13 – PSLB – – – –
    P——Plain；S——Short-thread；L——Long-thread；B——Buttress thread；E——Extreme thread

  • TEST AND INSPECTION OF API 5CT J55 PIPES

    - Hydrostatic Test

    Hydrostatic testing is a necessary step in the pipeline production process. It is used to test the water-tightness of weld seams and the pipe body itself. The test is conducted by filling the pipe with water and applying pressure. If there are any leaks, they will be revealed by this process. Hydrostatic testing is an important quality control measure that helps to ensure the safety and integrity of pipelines.


    - Bend Test

    The bend test is a critical quality assurance test for welded metal pipes. The test involves taking a sample of the pipe and applying a systematic force to it until it fractures. This helps to ensure that the pipe can withstand the stress of being bent without cracking. The results of the bend test can also be used to assess the quality of the welds, as well as the overall strength of the metal. As such, it is an important test for any company that manufactures or uses welded pipes.


    - Flattening Test

    The flattening test is a quality control test used in the manufacture of pipelines. The test is performed to determine the resistance of the pipe material to longitudinal and circumferential cracking, as well as to assess the deformation characteristics of the pipe under stress. The flatting test is an important indicator of the overall quality of the pipe and its ability to withstand stresses during operation. The results of the test can be used to adjust the manufacturing process to ensure that the pipes produced to meet the required standards.


    - CVN Impact Test

    In order to ensure the mechanical properties of pipeline steels, an impact test is usually performed. The test is conducted by freezing a sample of the steel to an extreme tempureture under 0℃ (32℉). The tempureture at which the sample breaks is then used to determine the steel’s impact strength. There are three main areas that are tested: the pipe body, the weld seam, and the heat-affected zone. By testing all three areas, manufacturers can be sure that their pipelines will be able to withstand whatever conditions they may encounter.


    - DWTT

    In the production of pipelines, DWTT is an impact test that is used to determine the strength of the pipeline material. It is usually performed on large diameter pipelines, and the results are used to determine the impact strength of the material. The impact strength of the material is important for determining the impact resistance of the pipeline. DWTT is performed by impact testing the material with a weight that is dropped from a height onto the pipeline material. The impact strength of the material is determined by measuring the amount of deformation that occurs during the impact. DWTT is an important test for pipeline production because it helps to ensure that the pipeline material can withstand the impact of being dropped from a height.

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