Chrome-Moly P91 Seamless Pipe for Power Plant Superheaters from Japan
Seamless P91 grade (9Cr-1Mo-V) alloy steel pipe, wall ≥4 mm, for superheater tubes in fossil fuel power plants. Fits HTS 7304.90.30.00 as thick-walled seamless alloy steel tube for high-temperature steam service.
Duty Rate — Japan → United States
10%
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
• Normalize/temper certs mandatory for P91; improper heat treat voids specs
• Exact OD/ID measurements for wall thickness verification
• Distinguish from P92; composition affects alloy confirmation