P91 Grade T91 Chromium-Moly Alloy Steel Plate from China
ASME SA387 Grade P91 (T91) 9Cr-1Mo-V alloy steel plate over 600 mm for power plant piping/superheaters. 7225.99.0090 as other hot-rolled alloy steel flat-rolled product. High chromium (8-9.5%) but not stainless per Chapter notes.
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
• ,Vanadium content documentation often required for P91 certification
• Power plant end-use certificates may trigger special documentation