Alloy Steel Condenser Tube 16-inch OD

Seamless tube from 9Cr-1Mo alloy steel, 16-inch (406 mm) OD with 11 mm wall, for surface condensers in steam turbine plants. Fits HTS 7304.59.80.60 exactly: alloy steel, seamless, circular, OD ≤406.4 mm, thin wall. Enhanced thermal conductivity supports efficient steam condensation.

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.

7304.59.80.45Same rate: 35%

If OD 114.3-285.7 mm instead

Smaller OD range uses different statistical breakout within same heading.

8410.90.00.00Higher: 38.8% vs 35%

If as turbine-specific condenser components

Functional parts of hydraulic turbines classify under 8410 end-use provisions.

7306.40.10Same rate: 35%

If other alloy steel but welded construction

Welding process moves to 7306.40 for other alloy pipes.

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

Provide hydrostatic test results showing pressure rating to distinguish from lower-duty line pipe

Label bundles clearly with HTS specs to prevent scanning errors at thin/thick wall borders

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