8411.91.90.40/Gas Turbine Diffuser Assemblies/Japan

Gas Turbine Diffuser Assemblies from Japan

Assemblies that slow and redirect compressor discharge air in non-aircraft gas turbines for stationary power. Fabricated from sheet metal with precise aerodynamic contours. HTS 8411.91.90.40 covers these non-aircraft turbine parts.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Document airflow calculations proving industrial turbine pressure ratios

• Ensure assembly BOM lists only turbine-specific components without unrelated parts