13-3/8 Inch P-110 Threaded Oil Well Casing
Heavy-duty P-110 grade threaded casing with 13-3/8 inch OD for surface and conductor applications in deep oil wells. It qualifies for HTS 7306.29.31.00 as threaded or coupled welded steel casing specifically for oil/gas drilling. High yield strength supports extreme pressures during extraction.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If having an external diameter over 406.4 mm
Larger OD casings (>16 inches) have a dedicated subheading.
If seamless and high-pressure rated
Seamless variants for drilling shift to Chapter 73 seamless tubes.
If imported in fittings-attached sets for retail sale
Tube or pipe fittings assemblies may classify under fittings headings.
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 hydrostatic test reports to demonstrate pressure ratings during customs clearance
• Label bundles clearly with size, weight, and API grade to facilitate warehouse handling
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