Turbine Blade Cooling Inserts from Japan
Internal inserts that enhance air cooling passages within turbine blades of non-aircraft gas turbines. Made from porous high-temperature alloys for power generation service. HTS 8411.91.90.40 includes these specialized 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%
Import Tips
• Provide porosity specifications and cooling airflow test data for classification support
• Declare as blade subcomponents, not standalone inserts, to maintain turbine parts status
• Avoid misclassification by including integration instructions with parent blades