API 9-5/8" 43 ppf L80 Type 13CR Casing
Seamless alloy steel oil well casing pipe with 9-5/8 inch outside diameter (244.5 mm), 43 pounds per foot weight, L80 grade Type 13CR for corrosion resistance in sour environments. Features premium threaded couplings and wall thickness of 10.5 mm, ideal for oil and gas drilling. Classified under 7304.29.31.30 due to its seamless construction, alloy steel material, threaded/coupled ends, and specified diameter and thin wall.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wall thickness 12.7 mm or more
Thicker-walled casing exceeding 12.7 mm shifts to the general other casing subheading outside the thin-wall specification.
If not specifically for oil/gas drilling or sold as line pipe
If lacking drill pipe/casing design features or used for conveyance rather than drilling, it falls under other seamless alloy steel pipes.
If made of stainless steel instead of other alloy steel
Stainless steel variants are classified separately in the 7304.19 hierarchy from carbon or other low-alloy steels.
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
• Verify API 5CT certification and exact dimensions for customs classification; include mill test certificates (MTC) showing chemical composition for alloy steel verification
• Common pitfall: misdeclaring wall thickness leading to reclassification
• Ensure couplings meet premium thread specs to avoid parts treatment
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