Gas Turbine Torque Tubes from Japan
Hollow torque transmitting tubes connecting turbine stages in non-aircraft gas turbines for mechanical drive applications. Precision balanced alloy tubes for petrochemical service. Under HTS 8411.91.90.40 as 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
• Include torsional stiffness calculations and balance grade certifications
• Specify spline interface dimensions matching turbine coupling specifications