F9 Alloy Steel Flange for Heat Exchangers from Mexico
Custom F9 alloy steel flange, 14-inch ID (356 mm), for shell-and-tube heat exchangers in power plants. HTS 7307.91.50.30 as alloy (non-stainless) steel flange <360 mm ID. Designed for thermal cycling resistance.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include exchanger drawing refs for end-use; NACE MR0175 cert for sour service
• Pitfall: parts of exchangers may be 8419.90