Nonalloy Steel Welded Culvert Pipe
Heavy-duty welded pipe of iron or nonalloy steel, OD >406.4 mm, corrugated for stormwater drainage under roads. Fits 7305.39.1000 for other welded circular pipes not specialized for casing, line, or piling. Circular cross-section distinguishes from square/rectangular profiles.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel construction
Alloy steel variants (e.g., with chromium) classified under 7305.31 based on steel composition.
If imported in L-shaped bends or fittings
Fabricated into elbows/elbows moves to Chapter 73 structures and parts.
If parts of boring machinery
End-use as drilling casings reclassifies under Chapter 84 earth-moving equipment.
Not sure which classification is right?
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Import Tips & Compliance
• Specify galvanization details if coated; uncoated nonalloy steel stays here but coated may need 7306 review
• Provide engineering drawings confirming OD exceeds 16 inches to avoid smaller pipe headings
Related Products under HTS 7305.39.10.00
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Large-diameter welded pipe made from nonalloy steel, with external diameter over 406.4 mm, used in municipal water distribution systems. Classified under 7305.39.1000 due to its welded construction, circular cross-section, and iron/nonalloy steel material. Exceeds the size threshold for smaller pipes in other headings.
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