📂 Category 7304B2990

 
 
73
7304
7304 B
7304 B 29
 - - autres
7304 B 29 90
 - - - d'un diamètre extérieur excédant 406,4 mm
 - - - - autres

📖 About this code

These are seamless steel pipes and tubes, specifically designed for use as casings in oil and gas wells. They are characterized by a large external diameter, exceeding 406.4 mm, and are engineered to withstand the demanding conditions of downhole environments.

ARTICLES OF IRON OR STEEL > Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel > Other > Of an external diameter exceeding 406,4|mm > Casings

📦 Example products classified here

  • Seamless oil well casing
  • Casing pipe for oil wells
  • Large diameter steel pipe for drilling
  • API 5CT casing
  • Gas well casing
  • Seamless production tubing
  • High pressure casing pipe
  • Casing pipe for exploration
  • OCTG casing
  • Drill pipe casing
  • Casing pipe for oil industry
  • Seamless pipe diameter 406.4mm+
  • Offshore well casing
  • Reinforced casing pipe
  • Shale gas well casing

🚫 NOT classified here

  • × Seamless pipes and tubes of other diameters -> 7304.29.10
  • × Welded pipes and tubes -> chapter 7305 or 7306
  • × Pipes and tubes of cast iron -> chapter 7303
  • × Pipes and tubes for line pipe applications (transport) -> 7304.19
  • × Drill pipe (used for drilling, not casing) -> 7304.29.30
  • × Pipes and tubes of stainless steel -> 7304.41
  • × Pipes and tubes of alloy steel (other than stainless) -> 7304.39

⚠️ Easily confused codes

Double-check: these codes cover similar but distinct products.