Parts of nonaircraft turbines
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Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8411.91.90.40
Turbine Blade Cooling Inserts
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.
Turbine Interstage Seals
Labyrinth seals preventing gas leakage between turbine stages in non-aircraft gas turbines for oil & gas compression. Manufactured from abrasion-resistant alloys with precise tooth geometry. HTS 8411.91.90.40 covers non-aircraft turbine sealing parts.
Turbine Blade Root Fixtures
Specialized fixtures and locking hardware securing turbine blade roots in rotor disks of non-aircraft gas turbines. High-strength alloys preventing blade release under centrifugal loads. HTS 8411.91.90.40 includes these retention parts.
Gas Turbine Torque Tubes
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.
Turbine Rotor Blades
High-precision rotor blades designed for non-aircraft gas turbines used in power generation plants. These blades are made from heat-resistant alloys to withstand extreme temperatures and rotational speeds in turbine engines. Classified under HTS 8411.91.90.40 as essential parts of non-aircraft turbines.
Gas Turbine Combustion Liners
Cylindrical liners that line the combustion chamber of non-aircraft gas turbines, protecting the casing from high-temperature gases. Constructed from nickel-based superalloys for industrial power generation applications. Falls under HTS 8411.91.90.40 as specialized parts of non-aircraft turbines.
Turbine Nozzle Guide Vanes
Stationary vanes that direct hot gases onto turbine blades in non-aircraft gas turbines for power plants. Precision-cast from cobalt or nickel alloys with internal cooling passages. Classified in HTS 8411.91.90.40 for parts of non-aircraft turbine engines.
Turbine Shaft Bearings
High-load journal bearings supporting main shafts in non-aircraft gas turbines for marine propulsion. Feature oil-lubricated designs with specialized coatings for industrial operation. Under HTS 8411.91.90.40 as integral parts of non-aircraft turbines.
Gas Turbine Diffuser Assemblies
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.
Turbine Casing Segments
Segmented high-pressure casings that contain turbine stages in non-aircraft gas turbines for electricity generation. Cast from high-strength steel alloys with machined mounting flanges. Classified HTS 8411.91.90.40 for non-aircraft turbine components.
Gas Turbine Inlet Guide Vane Actuators
Hydraulic or electric actuators controlling variable inlet guide vanes in non-aircraft gas turbines for peaking plants. Integrated with position feedback sensors for industrial control. Falls under HTS 8411.91.90.40 as non-aircraft turbine parts.
Turbine Exhaust Diffusers
Diffuser sections that recover pressure from turbine exhaust in non-aircraft gas turbines for cogeneration plants. Fabricated with contoured sheet metal for industrial exhaust flow management. HTS 8411.91.90.40 for these turbine parts.
Non-Aircraft Turbine Shrouds
Shroud segments that encircle turbine rotor blades in non-aircraft gas turbines, minimizing tip leakage. Coated with thermal barrier materials for extended service in power stations. Classified under HTS 8411.91.90.40 as non-aircraft turbine parts.
Turbine Variable Nozzle Segments
Adjustable nozzle segments controlling gas flow in non-aircraft gas turbines for combined cycle plants. Actuated rings with unison ring drive mechanisms for industrial peaking. HTS 8411.91.90.40 for specialized non-aircraft turbine parts.
Non-Aircraft Turbine Support Bearings
Heavy-duty support bearings for turbine center body in non-aircraft gas turbines used in pipeline compression. Tilting pad designs for industrial vibration control. Classified HTS 8411.91.90.40 as non-aircraft turbine components.