Combustor Dome Forging from Japan
Steel forging forming the forward dome structure of annular combustors in high-performance aircraft engines, supporting fuel injectors. Classified HTS 8411.91.90.81 as aircraft turbine steel forging component. Withstands combustion temperatures over 2000°F.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify Inconel or similar high-temp alloy grades in documentation
• Include combustor airflow analysis proving aircraft engine design parameters
• Validate with non-destructive testing reports (NDT) for crack detection