Grade 316L Stainless Large Diameter Welded Pipe
Grade 316L stainless steel pipe, longitudinally welded, with an external diameter of 450 mm, designed for marine desalination and chemical processing. Its high molybdenum content provides enhanced corrosion resistance in chloride-rich environments. This product falls under tariff item 7305.31.00 as a welded tube of iron or steel with a circular cross-section exceeding 406.4 mm.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the pipe is seamless rather than welded
Seamless pipes of circular cross-section exceeding 406.4 mm are classified under heading 7304, not 7305.
If the external diameter is 406.4 mm or less
Smaller diameter welded pipes fall under heading 7306, which covers tubes and pipes with an external diameter not exceeding 406.4 mm.
If imported with fittings attached
Pipe fittings of iron or steel are classified separately under heading 7307.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the external diameter exceeds 406.4 mm and confirm the longitudinal weld seam is clearly documented in the commercial invoice
• Ensure the stainless steel grade (316L) is stated on the mill test certificate to support classification
• Consider whether the pipe is shipped in sections or as a single length to plan for transport and customs valuation
Related Products under Tariff item 7305.31.00
24-inch Stainless Steel LSAW Pipe for Oil Pipeline
This is a longitudinally submerged arc welded (LSAW) stainless steel pipe with a 609.6 mm external diameter, designed for offshore oil transport lines. Its circular cross-section and welded construction place it under tariff item 7305.31.00, which covers other welded tubes and pipes of iron or steel with circular cross-sections exceeding 406.4 mm. The stainless steel material provides corrosion resistance for offshore service.
Abrasion-Resistant Alloy Pipe for Mining Tailings
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Alloy Steel Large Diameter Welded Pipe for Water Transmission
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Alloy Steel LSAW Pipe for Offshore Platform Risers
> A submerged arc longitudinally welded (LSAW) alloy steel pipe exceeding 406.4 mm in diameter for riser applications in offshore oil platforms. It is a large-diameter, circular welded tube of alloy steel, designed for high-pressure and corrosive environments.
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