Boiler Superheater Tube Bundle from Canada
Superheater tube bundles increase steam temperature above saturation point, improving turbine efficiency in power generation boilers. Dedicated boiler part under HTS 8402.90.00. High-alloy construction resists creep at elevated temperatures.
Duty Rate — Canada → United States
14.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify creep strength data for operating temperatures; require NDT reports; confirm tube-to-header weld procedures