Siemens SST-500 Steam Turbine Generator Set
A 50 MW industrial electric generating set powered by a Siemens SST-500 steam turbine, designed for reliable power generation in factories and power plants. It falls under HTS 8502.39.0040 as a complete generating set driven by a steam turbine, coupling the turbine directly to an AC generator. Used primarily for backup or primary power in industrial applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as bare steam turbine without integrated generator
Separate steam turbines are classified under heading 8406, not as complete generating sets
If wind turbine generator set rather than steam-powered
Generating sets powered by wind turbines fall under 8502.31, differentiated by prime mover type
If powered by gas turbine instead of steam turbine
Gas turbine generating sets use statistical suffix .0060 within the same 8502.39 heading
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Import Tips & Compliance
• Verify turbine power source documentation proving steam drive to avoid reclassification to gas or diesel sets
• Include detailed specs on generator output (kW/MW) and turbine type in commercial invoice for customs valuation
• Ensure compliance with EPA emissions standards; obtain CARB certification if destined for California markets
Related Products under HTS 8502.39.00.40
GE STF-D450 Steam Turbine Power Module
General Electric's STF-D450 steam turbine generator set rated at 450 MW for utility-scale power plants. Classified under 8502.39.0040 due to its steam turbine prime mover coupled with synchronous generator for AC electricity production. Ideal for base-load power generation from industrial steam processes.
Mitsubishi TC4F Steam Turbine Generator
Mitsubishi Heavy Industries TC4F series 100 MW steam turbine generating set for combined heat and power (CHP) applications. Meets HTS 8502.39.0040 criteria as a steam-powered electric generating set with integrated turbine-generator assembly. Optimized for industrial cogeneration from waste heat recovery.
Toshiba STF-150C Steam Turbine Power Plant Module
Toshiba 150 MW STF-150C steam turbine generator set designed for district heating and industrial power supply. Classified in 8502.39.0040 for its steam turbine drive powering a brushless synchronous generator. Features high-efficiency extraction-condensing operation for flexible power generation.
Ansaldo Energia AE-T50 Steam Turbine Generator
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Shanghai Electric STG-200 Steam Turbine Generator Set
Shanghai Electric 200 MW STG-200 series steam turbine generator for coal-fired power stations. HTS 8502.39.0040 applies to this complete steam-powered generating set with tandem-compound turbine design. Provides reliable grid-quality power with supercritical steam parameters.
Doosan SKT-30/600 Steam Turbine Generator
Doosan SKT-30/600 30 MW steam turbine generator set rated for 600°C steam conditions. Classified 8502.39.0040 for industrial applications like paper mills and chemical plants. High-temperature alloy turbine blades enable efficient power extraction from process steam.