Steam Turbine Coupling Shaft
High-strength forged shafts connecting turbine rotors to generators or loads, transmitting rotational power. Falls under HTS 8406.90.45 as other steam turbine parts, designed for extreme torque. Used in cogeneration facilities.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general mechanical power transmission
Crankshafts/shafts not turbine-specific go to 8483 based on universal use.
If imported as rough forgings
Grinding balls/rough forgings in Chapter 73 before final turbine machining.
If parts of marine propulsion engines
If for reciprocating steam engines, classifies under heading 8408.
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Import Tips & Compliance
• Certify shaft dimensions and material grades match steam turbine OEM requirements
• Document torque ratings to differentiate from general transmission shafts
Related Products under HTS 8406.90.45
Steam Turbine Rotor Assembly
A precision-engineered rotor assembly designed for high-speed rotation within steam turbines to convert thermal energy into mechanical power. Classified under HTS 8406.90.45 as a part of steam turbines, specifically under 'other' parts not covered by more specific subheadings. It is essential for power generation in industrial and utility applications.
Steam Turbine Nozzle Ring Assembly
Circular arrays of precision nozzles that accelerate steam into high-velocity jets impinging on turbine blades. HTS 8406.90.45 covers this as other parts of steam turbines, optimizing expansion efficiency. Critical for combined-cycle power plants.
Steam Turbine Blade Carrier Disc
Forged discs that serve as carriers for turbine blades, providing structural support in high-pressure stages. Classified as other parts under HTS 8406.90.45 for steam turbines. Vital for aerospace-derived industrial turbines.
Steam Turbine Exhaust Casing Section
Low-pressure casing segments directing exhaust steam to condensers, fabricated from specialized alloys. Under HTS 8406.90.45 as other parts of steam turbines. Key for vacuum efficiency in Rankine cycle plants.
Steam Turbine Generator Coupling
Flexible disc or gear-type couplings synchronizing turbine and generator shafts for grid-stable operation. HTS 8406.90.45 as other steam turbine parts. High misalignment tolerance for base-load plants.
Steam Turbine Thrust Bearing
Tilting pad thrust bearings absorbing axial loads from steam pressure differentials on rotors. Under HTS 8406.90.45 for other steam turbine parts. Oil-lubricated for continuous 24/7 operation.