API 5CT J55 Threaded Casing Pipe
Threaded and coupled steel casing pipe made from J55 grade nonalloy steel, used to line oil and gas wells during drilling. It features API standard threads for secure connections and stabilizes the borehole. Classified under 7306.29.10 as threaded casing of iron or nonalloy steel for oil/gas drilling.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not threaded or coupled
Uncoupled casing of nonalloy steel falls under 7306.19.10 as it lacks threading for jointing.
If seamless construction
Seamless casing, even for drilling, is classified in heading 7304 based on manufacturing process.
If made of alloy steel
Alloy steel versions with specified elements exceeding nonalloy limits move to 7306.69 subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify API 5CT certification and grade markings (e.g
• J55) on each pipe section for customs compliance
• Provide mill test certificates (MTC) detailing chemical composition to confirm nonalloy steel status
• Avoid misdeclaration as seamless by specifying welded construction in documentation
Related Products under HTS 7306.29.10
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Slim 4-1/2 inch intermediate casing, J55 grade with flush threaded couplings for mid-depth oil well support. Nonalloy welded steel. Classified in 7306.29.10 for threaded drilling casing.
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C-90 grade nonalloy casing, 12-1/4 inch with integral threaded ends for oil production. High collapse resistance. Fits threaded 7306.29.10.
5-1/2 Inch L80 Type 9 Cr Casing Coupled
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