Heavy Wall Alloy Steel Welded Pipe for Pressure Vessels
Longitudinally welded alloy steel pipe with OD >406.4 mm and thick walls for fabrication into pressure vessel shells. HTS 7305.31.60 due to welded circular cross-section in large sizes of alloy steel. Used in petrochemical reactor construction.
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% |
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 seamless for pressure vessel use
Seamless large alloy tubes for boilers/vessels go to 7304.31, method trumps application.
If externally coated with zinc
Galvanized finish changes to 'other threaded/coupled' or coated categories in 7306.
If imported in coiled form before welding
Unwelded tubular products classify under 7302 as unfinished tubes.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include ASME Section VIII compliance docs; pressure vessel end-use doesn't change HTS but aids verification
• Measure and certify alloy elements (e.g
• chromium >1.25%) to distinguish from carbon steel
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