Cold-Drawn Superheater Tube ASTM A335 P11 from China
Seamless cold-drawn tube of P11 alloy steel per ASTM A335, engineered for superheaters in power generation boilers. It withstands high temperatures and pressures while resisting creep and oxidation. Classified in 7304.51.50.45 as suitable for superheaters.
Duty Rate — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• Include hydrostatic test certificates to demonstrate pressure suitability for superheater applications
• Watch for anti-dumping duties on certain alloy steel tubes from specific countries; check current orders
• Use precise HTS statistical reporting for diameter to match 7304.51.5045 if applicable