4.5-inch OD Stainless Steel Drill Pipe Heavy Wall
Seamless stainless steel drill pipe with 4.5-inch outside diameter and wall thickness over 9.5 mm, designed for high-pressure oil and gas drilling operations. Classified under HTS 7304.22.0045 due to its seamless construction, stainless steel material, and specifications suitable for drill pipe in drilling for oil or gas. The heavy wall thickness provides enhanced durability against torsional stresses.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of iron or non-alloy steel
Drill pipe of non-stainless steel falls under the iron/other steel subheading in the same casing/tubing category.
If welded rather than seamless
Welded stainless steel pipes, even for drilling, classify under Chapter 73 welded tube headings.
If imported as part of complete drilling rig assembly
When supplied as integral parts of oil/gas drilling machines, classification shifts to machinery parts.
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Import Tips & Compliance
• Verify seamless construction via mill test certificates; welded pipes classify under 7304.41 or 7306.40
• Provide end-user statements confirming oil/gas drilling use to avoid reclassification as general tubing
• Ensure accurate measurement of OD ≤168.3mm and wall >9.5mm; common pitfall is incorrect caliper readings
Related Products under HTS 7304.22.00.45
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114.3 mm OD Stainless Steel API Drill Pipe Heavy Wall
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