13-3/8 inch 54.5 lb/ft L-80 Type 13CR Stainless Steel Casing Tubing
This is seamless stainless steel tubing designed specifically for oil and gas drilling operations, used as casing to line and stabilize wellbores during extraction. It meets API 5CT specifications for L-80 Type 13CR material, offering corrosion resistance in sour environments. Classified under 7304.24.60 as seamless stainless steel tubing for drilling.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of carbon steel instead of stainless
Carbon steel casing/tubing for drilling falls under other steel categories, changing the material-based subheading.
If welded rather than seamless
Welded stainless steel tubing, even for drilling, is classified in Chapter 73 heading for welded pipes.
If imported as part of a completed gas drilling pump
When assembled into machinery components, it may shift to gas pump parts classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify API 5CT certification and provide mill test reports (MTRs) to confirm seamless construction and stainless steel grade
• Ensure documentation specifies oil/gas drilling use to avoid reclassification as general tubing under 7304.41
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