N80Q Non-Alloy Tubing 2-3/8 inch EUE
Seamless N80Q non-alloy tubing with external-upset ends (EUE), 2-3/8 inch OD, 5.21 mm wall, for gas well production. HTS 7304.29.50.15 applies to this small OD, thin-wall seamless steel for oil/gas drilling.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If quenched and tempered alloy grade
Quenched alloy variants like true N80Q alloy classify under 7304.59.20.15.
If supplied with couplings as complete joint
Tubing + couplings sold as assembled joints become 7307.23 threaded fittings.
If specialized for pumps in oilfield
Tubes designed as pump parts classify under 8413.91 as pump components.
Not sure which classification is right?
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Import Tips & Compliance
• Note EUE threading type in invoices but declare as tubing, not fittings
• Provide collapse and burst test data for customs verification
• Bundle in protective racks to maintain thread integrity during transit
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