7 Inch OD Duplex Stainless Steel Production Tubing
High-strength duplex stainless steel seamless tubing with 7-inch (177.8 mm) outside diameter for production tubing strings in oil and gas wells. It meets HTS 7304.24.60.45 criteria as stainless steel, seamless, within the 114.3-215.9 mm OD range, and designated for drilling-related downhole use.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If longitudinally submerged arc welded (LSAW)
Welded construction, even for similar oilfield use, moves to 7305 for other welded pipes.
If outside the drilling oil/gas end-use
General mechanical seamless stainless tubes (not drilling-specific) fall under 7304.59.
If for retail sale as structural components
Other welded stainless pipes sold individually for construction shift to 7306.40 retail provisions.
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Import Tips & Compliance
• Obtain NACE MR0175 certification for sour service resistance, required for many oilfield imports
• Measure wall thickness separately, as it doesn't affect OD classification but impacts strength declarations
Related Products under HTS 7304.24.60.45
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