8411.91.10.40/Cast Iron Turbofan Diffuser Rough Part/Japan

Cast Iron Turbofan Diffuser Rough Part from Japan

Preliminary cast iron diffuser component for non-aircraft turbofan gas turbines, with only fins, gates, and sprues removed for machining setup. Classified in HTS 8411.91.10.40 as basic cast-iron turbojet 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

• Cross-reference with engineering drawings to prove rough state and turbine function

• Avoid over-machining pre-import; even minor profiling disqualifies from this low-duty heading

• Document non-aircraft certification to bypass aviation security protocols