{"id":2179,"date":"2022-04-04T01:43:08","date_gmt":"2022-04-04T01:43:08","guid":{"rendered":"https:\/\/tuspipe.com\/?page_id=2179"},"modified":"2025-11-07T08:02:08","modified_gmt":"2025-11-07T08:02:08","slug":"api-5ct","status":"publish","type":"page","link":"https:\/\/www.tuspipe.com\/standards\/api-5ct\/","title":{"rendered":"API 5CT OCTG (Casing & Tubing)"},"content":{"rendered":"\t\t
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API 5CT -API 5CT Casing aNd Tubing chart(P110\/ J55\/ K55\/ N80)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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TUSPIPE’s API 5CT casing and tubing are certified to the API 5CT standard. The chemical composition, mechanical properties, and dimensional tolerances of the tubing all meet the certification requirements. Detailed dimensions of the API 5CT casing and tubing are shown below.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"API\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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API 5CT (Casing and Tubing) <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The API 5CT standard covers OCTG fittings\/threads and material links. Dimensions, coatings, processes, wall thicknesses and testing for different materials and steel grades are also covered.<\/p>

API 5CT standard pipelines are essential for both onshore and offshore operations in the oil and gas industry.TUSPIPE is a professional steel pipe manufacturer, we have API 5CT standard certification, produce pipelines in strict compliance with the standard, provide test documents, and support tripartite inspection. Please contact us for any requirements!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tQUOTE NOW<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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API 5CT STEEL PIPE GRADE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The classification of steel grades in API 5CT is divided into several grades mainly based on pressure resistance, corrosion resistance and heat resistance. Below are some common steel grades in API 5CT, TUSPIPE specializes in manufacturing steel pipe, you can browse it with confidence and consult us if you have any questions!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t

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\"API-5CT\"<\/a><\/figure>

API 5CT H40<\/a><\/h3>

Characteristics: <\/b>Minimum tensile strength.
\nApplication: <\/b>It is a surface casing.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT K55<\/a><\/h3>

Characteristics:<\/b> low tensile strength, higher corrosion resistance than J55\nApplication:<\/b> Commonly used in slightly deeper oil and gas wells.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT R95<\/a><\/h3>

Characteristics:<\/b> Has a high strength rating.\nApplications:<\/b> Suitable for high pressure environments, but not corrosion resistant.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT P110<\/a><\/h3>

Characteristics<\/span>: high tensile strength.
\nApplication<\/b>: suitable for deep wells and high pressure oil and gas wells.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT J55<\/a><\/h3>

Characteristics:<\/b> Low tensile strength\nApplication: <\/b>Suitable for shallow oil and gas wells, not applicable to sulfur-containing scenarios.\n<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT N80<\/a><\/h3>

Characteristics<\/b>: High tensile strength and impact resistance.\nApplication:<\/b> Suitable for deeper oil wells and certain sulfur-containing environments.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT L80<\/a><\/h3>

Characteristics<\/b>: Mainly increase corrosion resistance.\nApplication<\/b>: Suitable for environments containing CO2 and a certain amount of H2S.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\"API<\/a><\/figure>

API 5CT Q125<\/a><\/h3>

Characteristics<\/span>: Higher tensile strength than P110.\n\nApplication<\/b>: Suitable for extreme deep well environments.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Below you will find API 5CT Specifications, API 5CT Chart, API 5CT Wall Thicknesses, API 5CT Piping Standards, API 5CT Casing, API 5CT tubing, and for your convenience we have divided the piping standards into four categories:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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