Engine Turbine Shroud Segment
Single-crystal superalloy turbine shroud segment that lines the hot gas path in aircraft engine high-pressure turbine. Provides thermal and containment protection. Under 8409.10.0080 as specialized aircraft engine part.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for auxiliary power units (APUs) in stationary applications
APU turbine components may classify under 8411 if not principally aircraft propulsion.
If imported as raw titanium investment castings
Base metal castings without specific engine function go to Chapter 81.
If with embedded temperature monitoring elements
Automatic control instruments with engine parts shift to Chapter 90.
Not sure which classification is right?
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Import Tips & Compliance
• Submit single-crystal casting process certifications from approved foundries
• Declare exact superalloy grade (e.g
• CMSX-4) matching specific engine models
• Avoid misdeclaration as general metal castings by linking to 8407 engine documentation
Related Products under HTS 8409.10.00.80
Aircraft Turbine Engine Compressor Blade
A precision-machined titanium compressor blade designed exclusively for use in aircraft gas turbine engines under heading 8407. It operates in the high-pressure compressor section to accelerate airflow. Classified under 8409.10.0080 as a part solely for aircraft engines, distinct from general aviation propellers.
Turbine Rotor Disk Forging
Powder metallurgy forged high-pressure turbine rotor disk for aircraft engines, capable of 12,000 RPM operation. Features integral blade attachment slots. Under 8409.10.0080 for aircraft engine rotating parts.
Engine Inlet Guide Vane
Variable inlet guide vane (IGV) assembly for aircraft turbofan engines, optimizing airflow at low RPM conditions. Anti-iced with engine bleed air. 8409.10.0080 for compressor inlet parts.
Turbine Engine Fuel Nozzle Assembly
A high-precision fuel injection nozzle assembly for aircraft turbofan engines, metering and atomizing fuel into the combustion chamber. Made from heat-resistant nickel alloys for extreme conditions. Falls under 8409.10.0080 as a principal part solely for 8407/8408 aircraft engines.
Aircraft Engine Fan Blade
Wide-chord composite fan blade for high-bypass turbofan engines used in commercial airliners. Designed to withstand bird strike impacts and high rotational speeds. Classified in 8409.10.0080 for parts principally with aircraft engines of 8407.
Aircraft Engine Bearing Housing
Precision-machined bearing housing for main engine rotor support bearings in turbofan engines. Features oil scavenge ports and anti-rotation features. Classified 8409.10.0080 for exclusive aircraft engine use.