10-3/4 inch 54 lb/ft P-110 Stainless Steel Casing Tubing
Heavy-wall seamless stainless steel tubing with 273 mm (10-3/4 inches) OD, designed for casing strings in high-pressure oil wells to stabilize boreholes during drilling. Falls under HTS 7304.24.60.60 as stainless steel seamless tubing for oil/gas drilling within the 215.9-406.4 mm OD specification. P-110 grade offers premium collapse resistance per API specs.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for smaller OD under 215.9 mm
Same stainless steel seamless oilfield tubing but with OD below 215.9 mm uses 7304.19 statistical suffix.
If fitted with threaded couplings as a tube fitting
Tubing with attached fittings for drilling becomes 'tube or pipe fittings' under heading 7307.
If imported as parts of drilling rigs
Pre-assembled into drilling equipment shifts classification to Chapter 84 for oil/gas field machinery parts.
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Import Tips & Compliance
• Include hydrostatic test certificates and chemical analysis to prove stainless steel alloy and pressure ratings
• Label with exact OD, weight, and grade; discrepancies can trigger reclassification or penalties
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