Offshore Platform Riser Pipe 36-inch

Extra-thick welded nonalloy steel riser pipe, 914 mm OD, for oil platform marine risers connecting to seabed. HTS 7305.90.10.00 covers its large circular welded design from iron/nonalloy steel. Buoyancy modules attach externally.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7304.19.10.60Same rate: 35%

If seamless risers

Seamless versions for high-pressure offshore in 7304.

8431.49Lower: 10% vs 35%

If parts of offshore cranes/parts

End-use as platform parts shifts classification.

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

• Nondestructive testing reports (UT/RT) mandatory for customs

• Declare as unfinished riser (no buoyancy) to stay in 7305

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