Super Duplex Drill Pipe 5-7/8 Inch High Pressure
Super duplex stainless steel drill pipe (e.g., SAF 2507), 5-7/8 inch OD, for ultra-high pressure and H2S-resistant drilling in harsh oilfields. Seamless construction with integral upset ends for enhanced joint integrity. Classified in 7304.22.00 for stainless steel seamless drill pipe used in oil/gas drilling.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with finished threaded ends for screwing together
Threaded stainless steel pipes for other uses (including oilfield) go to 7306.
If imported as semi-finished hollow bar stock
Unfinished seamless stainless steel bars/tubes not shaped for piping classify in 72.
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Import Tips & Compliance
• Submit hydrostatic test reports and non-destructive testing (NDT) results per API standards
• Avoid classifying with couplings attached, as that may trigger 7304.90 for fittings
• Ensure invoice specifies 'of a kind used in drilling for oil or gas' to meet legal note
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