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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If torque components of other gas turbines
Distinguishes turbojet parts from broader industrial gas turbine components.
If alloy steel pipes/tubes sold generically
Seamless steel tubes default to Chapter 73 heading 7304.
If flywheels and pulleys function emphasized
Transmission shafts with flywheel characteristics shift to 8483.
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Import Tips & Compliance
• Include torsional stiffness calculations and balance grade certifications
• Specify spline interface dimensions matching turbine coupling specifications
Related Products 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.
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.