Threaded N80 Casing for Gas Wells
N80 grade nonalloy steel casing with premium threaded couplings, designed for gas well drilling to withstand high pressures. Welded construction with external upset ends for strength. Qualifies under 7306.29.10 as threaded casing of iron or nonalloy steel for drilling.
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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 produced seamless
Seamless manufacturing process reclassifies to heading 7304 regardless of drilling end use.
If under 292mm OD and not coupled
Smaller uncoupled casing for drilling goes to statistical suffix under 7306.19.
If specialized for pump components
May classify as parts of pumps if designed specifically for oil/gas extraction pumps.
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
• Submit thread inspection reports confirming API standards (e.g
• 8-round or buttress threads)
• Label shipments clearly as 'oil/gas drilling casing' to distinguish from line pipe
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