Other

Basic-Machined Rotor for District Heating Steam Turbines

A basic-machined steel rotor for steam turbines used in district heating systems. It has been machined only to remove casting imperfections and to permit placement in finishing machinery, and has not undergone further advanced processing.

Cleaned Monocrystalline Rotor Blank for Utility Steam Turbines

A rotor blank made from high-purity monocrystalline alloys, cleaned and lightly machined to remove sprues and permit fixturing in finishing equipment. It is intended for large-scale utility steam turbines and has not been advanced beyond this stage.

Fins-Removed Alloy Steel Rotor for Marine Steam Propulsion

An alloy steel rotor for marine steam turbine propulsion systems, processed only to remove casting fins, gates, and risers and cleaned for assembly line placement. It has not been further advanced beyond this basic stage.

Gate-Removed Forged Rotor for Cogeneration Steam Turbines

A forged steel rotor for cogeneration steam turbines in combined heat and power plants, with gates, risers, and fins removed via minimal machining for fixturing. It is strictly unfinished and not advanced beyond this stage.

Machined Steam Turbine Rotor for Industrial Power Generation

A rotor for steam turbines in industrial power plants, machined solely to remove casting fins, gates, sprues, and risers for basic finishing preparation. It has not undergone further advanced processing beyond this stage.

Riser-Cleaned Nickel Alloy Rotor for Geothermal Steam Turbines

A nickel-based superalloy rotor cleaned of risers and sprues for geothermal steam turbine applications, machined only for basic location in finishing lines. It is unfinished and not advanced beyond this stage.

Sprue-Machined Titanium Rotor Core for High-Speed Steam Turbines

A titanium rotor core for high-speed industrial steam turbines, machined exclusively to clear sprues, gates, and fins for finishing machinery setup. It is in an unfinished state and not advanced beyond this stage.

Biomass Power Plant Steam Turbine Rotor

A finished steam turbine rotor optimized for biomass power plants, designed to handle variable steam quality and particulate-laden steam. It is precision-machined, balanced, and ready for final assembly into a steam turbine. This rotor falls under tariff item 8406.90.22 as a rotor finished for final assembly, distinct from less advanced rotors.

Combined Cycle Steam Turbine Rotor

A finished rotor for combined cycle steam turbines, designed for heat recovery steam generators and variable steam conditions. It features advanced aerodynamics for efficiency and is ready for final assembly. This rotor is classified under 8406.90.22 as a rotor finished for final assembly.

Finished Steam Turbine Rotor for Power Generation

A precision-machined steam turbine rotor finished for final assembly into industrial power generation turbines. It features balanced blades and a shaft designed for high-speed rotation under steam pressure. This rotor is classified under 8406.90.22 as a rotor finished for final assembly.

Geothermal Steam Turbine Rotor

A corrosion-resistant finished rotor for geothermal steam turbines, designed to handle corrosive vapors and low-pressure, high-volume flow. It is ready for final assembly into a steam turbine. This rotor falls under 8406.90.22 as a rotor finished for final assembly.

High-Pressure Steam Turbine Rotor Assembly

A finished rotor for high-pressure stages of steam turbines in fossil fuel plants, with optimized blade profiles and corrosion-resistant coating. It is balanced and ready for final assembly. This rotor is classified under 8406.90.22 as a rotor finished for final assembly.

Industrial Cogeneration Steam Turbine Rotor

A compact finished rotor for cogeneration steam turbines in manufacturing plants, balancing power and heat output. It is machined with an integral shaft for direct coupling and ready for final assembly. This rotor falls under 8406.90.22 as a rotor finished for final assembly.

Low-Pressure Steam Turbine Rotor for Condensing Turbines

A long-blade rotor finished for low-pressure condensing steam turbines in electricity generation. It is precision-machined for minimal vibration at low RPM and ready for final assembly. This rotor is classified under 8406.90.22 as a rotor finished for final assembly.

Marine Steam Turbine Rotor for Propulsion

A finished high-speed rotor for ship propulsion steam turbines, balanced for marine conditions and ready for final assembly. It is designed to withstand the rigors of marine operation. This rotor falls under 8406.90.22 as a rotor finished for final assembly.

Nuclear Steam Turbine Rotor for PWR Plants

A radiation-resistant finished rotor for pressurized water reactor (PWR) steam turbines, with enhanced material for low-radiation environments. It is fully balanced for safety-critical operation and ready for final assembly. This rotor is classified under 8406.90.22 as a rotor finished for final assembly.

Solar Thermal Steam Turbine Rotor

A finished rotor for concentrated solar power steam turbines with high-temperature tolerance, ready for final assembly. It is designed to handle the thermal demands of solar thermal systems. This rotor falls under 8406.90.22 as a rotor finished for final assembly.

Czochralski Crystal Puller Rotating Blades

Rotating blades designed for Czochralski crystal pullers, which are machines used to grow monocrystalline silicon boules for semiconductor wafers. These blades facilitate the precise rotation and dipping of the seed crystal during the growth process. They are classified under this tariff item as rotating blades for steam turbines, as they are integral to the turbine-driven mechanisms in such equipment.

Float Zone Crystal Grower Stationary Blades

Stationary blades used in float zone crystal growers, which are machines for producing high-purity silicon ingots for semiconductor wafers. These blades maintain precise positioning during the float zone melting process and support the RF coil and zone movement. They are classified as stationary blades for steam turbines under this tariff item.

Gallium Arsenide Crystal Grinder Turbine Blades

Rotating and stationary turbine blades for steam-powered grinders used to process gallium arsenide boules for compound semiconductor wafers. These blades are critical for shaping boules to exact diameters and creating flats for resistivity indication. They are classified under this tariff item as blades for steam turbines, given their use in turbine-driven grinding machinery.

High-Purity Silicon boule Grinder Rotating Blades

Precision rotating blades used in steam turbine grinders for shaping high-purity silicon boules to wafer-ready diameters with conductivity flats. These blades are essential in semiconductor production lines immediately after crystal pulling. They are classified under this tariff item as rotating blades for steam turbines, as they are components of turbine-driven grinding machines.

Monocrystalline Boule Slicer Stationary Guide Blades

Stationary guide blades used in wafer slicing saws driven by steam turbines, which align the diamond wire or blade during boule slicing into thin semiconductor wafers. These blades maintain precision cuts for optimal wafer yield. They are classified under this tariff item as stationary blades for steam turbines, given their integration into turbine-driven slicing equipment.

RF Float Zone Turbine Stationary Support Blades

Stationary support blades in steam turbine systems for RF float zone crystal growers, which stabilize zone translation for ultra-pure silicon rods. These blades are essential for minimizing oxygen impurities in semiconductor material. They are classified under this tariff item as stationary blades for steam turbines, as they are components of turbine-driven crystal growing equipment.

Silicon Wafer Lapping Stationary Turbine Blades

Stationary blades in steam turbine-driven lappers that flatten silicon wafer surfaces to nanometer tolerances post-slicing for semiconductor fabrication. These blades guide lapping plates for ultimate flatness. They are classified under this tariff item as stationary blades for steam turbines, given their role in turbine-driven lapping machinery.

Steam Turbine-Driven Wafer Grinder Rotating Blades

Rotating blades for wafer grinders powered by steam turbines, used to grind semiconductor crystal boules to precise diameters post-growth. These blades ensure accurate flats indicating conductivity type for wafer production. They are classified under this tariff item as rotating blades for steam turbines, as they are components of turbine-driven grinding equipment.

Steam Turbine Bearing Housing

A robust housing unit that encases and supports journal or thrust bearings in steam turbines, maintaining shaft alignment under high loads. It is an essential structural component for turbine operation and is not classified as a rotor, blade, or other specific part listed under sibling tariff items.

Steam Turbine Bellows Expansion Joint

A multi-ply stainless steel bellows expansion joint that compensates for thermal expansion between turbine casing sections. It is a critical component for maintaining alignment in high-temperature environments and is not a rotor, blade, or other specifically listed part.

Steam Turbine Blade Carrier Disc

Forged discs that serve as carriers for turbine blades, providing structural support in high-pressure stages. These are distinct from the blades themselves and are not further advanced beyond their role as carriers, making them 'other parts' of steam turbines.

Steam Turbine Blade Locking Kit

A specialized kit of pins, keys, and rivets used to secure blades to turbine discs against centrifugal forces. Sold as maintenance kits, these are not rotors or blades themselves but are essential for turbine assembly and repair.

Steam Turbine Coupling Shaft

A high-strength forged shaft that connects turbine rotors to generators or loads, transmitting rotational power. It is designed for extreme torque and is not a rotor itself, making it an 'other part' of steam turbines.

Steam Turbine Diaphragm Staging

Stationary diaphragm assemblies with guide vanes that direct steam flow onto turbine blades for optimal energy extraction. These are distinct from rotors or casings and are classified as 'other parts' of steam turbines.

Steam Turbine Emergency Overspeed Governor

A mechanical backup governor that detects rotor overspeed and triggers steam valve closure independently of electronics. It is a safety component, not a rotor or blade, and is classified as an 'other part' of steam turbines.

Steam Turbine Exhaust Casing Section

Low-pressure casing segments that direct exhaust steam to condensers, fabricated from specialized alloys. These are not rotors or blades and are essential for vacuum efficiency in Rankine cycle plants, making them 'other parts' of steam turbines.

Steam Turbine Generator Coupling

A flexible disc or gear-type coupling that synchronizes turbine and generator shafts for grid-stable operation. It is designed for high misalignment tolerance and is not a rotor, making it an 'other part' of steam turbines.

Steam Turbine Nozzle Ring Assembly

A circular array of precision nozzles that accelerate steam into high-velocity jets impinging on turbine blades. It is not a rotor or blade and is classified as an 'other part' of steam turbines, optimizing expansion efficiency.

Steam Turbine Rotor Assembly

A precision-engineered rotor assembly designed for high-speed rotation within steam turbines to convert thermal energy into mechanical power. While it is a rotor, it is not specifically classified under the sibling items for rotors, which cover specific types or stages of advancement, and thus falls under 'other parts'.