Stainless Steel Large Penstock Pipe Section

Longitudinally welded stainless steel penstock pipe section, 500 mm OD, for hydroelectric turbine water conduits. HTS 7305.31.60.10 for large welded stainless circular pipes.

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.

8410.90.00.00Higher: 38.8% vs 35%

If hydraulic turbine parts

Turbine-specific parts classified with hydraulic turbines in 8410.

7309.00.00Same rate: 35%

If welded into pressure vessels

Pressure vessel shells classified in 7309.

7304.39.00Same rate: 35%

If seamless penstocks

High-pressure seamless pipes use 7304.39.

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

ASME B31.3 process piping code compliance certification

Turbine head pressure rating must be specified (e.g

1000 psi)

Segmented shipment requires matching weld prep bevel angles

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