API 5CT N80 Casing
N80 grade casing per API 5CT, non-alloy quenched-and-tempered steel for high-pressure oil/gas drilling environments. Falls under HTS 7306.29.2000 as 'other' nonalloy casing, used in challenging formations requiring elevated yield strength. Welded with EUE (External Upset End) threading.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hollow drill bars
Thicker-walled versions for drilling tools classify as oilfield drill pipe profiles.
If over 4.5 inch diameter
Statistical size breaks exist, but core heading remains; larger sizes may have tubing variants.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide heat treatment records proving N80 properties to avoid downgrade to lower-grade headings
• Ensure thread protector compliance for safe transport without damage claims
Related Products under HTS 7306.29.20.00
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