Duplex Stainless Steel Drill Pipe 6-5/8 Inch for Deepwater Drilling
Duplex stainless steel (e.g., 2205 grade) seamless drill pipe, 6-5/8 inches OD, engineered for deepwater oil exploration with high strength-to-weight ratio. Features high collapse resistance and fatigue strength for extended drill strings. HTS 7304.22.00 applies as it's seamless stainless steel specifically for oil/gas drill pipe applications.
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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 cut-to-length tubes not specifically drill pipe
Seamless stainless tubes not shaped for drilling classify under tube fittings/headers.
If welded rather than seamless construction
Welded stainless steel drill pipe moves to the welded pipes section of 7304.
If for industrial drilling equipment parts
If marketed as components for non-oil/gas drills (e.g., mining), shifts to machinery parts.
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Import Tips & Compliance
• Include NACE MR0175 compliance certs for sour service to support stainless steel drill pipe use
• Declare yield strength and connection type (e.g
• XT-39) to confirm drill pipe function over tubing
Related Products under HTS 7304.22.00
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Super Duplex Drill Pipe 5-7/8 Inch High Pressure
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Inconel 718 Alloy Drill Pipe Equivalent Stainless 4-3/4 Inch
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