API 5CT Casing and Tubing for Oil Well Drilling
For industrial sourcing
Prepare a clearer RFQ
Include the details below so RELIA can understand the part and discuss the next step with you.
- Drawing, sample, or reference standard
- Material grade and preferred process
- Dimensions, tolerances, and surface finish
- Application, target quantity, and destination
Production timing, packing, and shipping terms are confirmed for each project after specifications and trade terms are agreed.
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InvoicingBy Actual WeightOiled or Non-oiledNon-oiled
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Section ShapeRoundSurface TreatmentHot Rolled
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Tolerance±1%Alloy Or NotNon-Alloy
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ApplicationFluid Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil PipeCertificateAPI , ISO 9001
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Delivery Time8 ~ 14 daysGradecarbon steel
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Outer Diameter219 - 1066 mmSpecial PipeAPI Pipe, Other, EMT Pipe, Thick Wall Pipe
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StandardASTMTechniqueSaw
This API 5CT listing covers casing and tubing enquiries for oil well drilling. J55, K55, N80, L80 and P110 are named in the title, but the actual selection entries only distinguish length against a thickness range. A complete order needs a specific tubular role, grade and connection configuration.
Separate the casing or tubing requirement from the grade list
State whether the enquiry concerns casing or tubing and identify one required grade with its full supply condition. The listed names do not demonstrate that every grade is offered in each size, or that different tubular roles can be substituted. Request the selected drawing and material specification.
The table describes carbon steel and non-alloy supply without grade-specific chemistry, treatment or property records. Verify the offered material against the chosen requirement using traceable reports. End configuration and connection designation also need confirmation; there is no connection selection or numerical connection rating in the actual variants.
Verify the selected size and manufacturing evidence
Outside diameter is recorded as 219–1066 mm. Both variants use the 6–20 mm thickness entry, paired with either 12 m or 6 m length. Confirm an exact diameter, wall and length for the selected role rather than accepting those broad ranges as an API 5CT dimensional specification.
Ask how the seamless title relates to Technique Saw and obtain supporting manufacturing records. Define the controlled measurement behind ±1%, plus required dimensional and end inspection. Confirm the hot-rolled, non-oiled and round condition with the applicable API 5CT edition and exact ASTM reference, where relevant.
Assess the well duty with the required records
Specify pressure, temperature, fluid composition, cycling and loading for material and connection assessment. Agree project inspection, testing and rating evidence for the chosen supply. API and ISO 9001 certificate labels require scope and validity checks; the grade list alone provides neither sour-service qualification nor approval for the proposed well conditions.
Technical information for every product inquiry
Prepare the requirement before final product confirmation.
The product page is a starting point. Drawings, samples, interfaces, materials, quantities and acceptance requirements are reviewed before stock matching or custom production is confirmed.
Discuss this product in your project context.
Share the available drawing, sample, reference, target quantity and application information. Unknown items can remain open for review.
