14 Inch Production Casing N80 Threaded
14-inch N80 production casing threaded with premium connections for hydrocarbon flow zones. Welded non-alloy steel API pipe preventing formation collapse. HTS 7306.29.10.90 for threaded oil/gas casing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If range 2 lengths, uncoupled
Length specifications affect coupling requirements and subheadings.
If with centralizers installed
Casing with attached centralizers becomes drilling parts under 8431.
If externally coated versions
External coating for corrosion protection uses 7306.40.
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Import Tips & Compliance
• Production casing needs perforation compatibility declaration
• Premium threads (VAM TOP, etc.) require connection performance data
• Avoid over 40ft lengths causing transport classification issues
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