Modified 9Cr-1Mo SA-387 P9C Seamless Pipe from China
Modified 9Cr-1Mo (P9C) seamless alloy pipe for refinery hydrocracker service, 180 mm OD x 16.5 mm wall thickness. HTS 7304.59.80.35 for seamless other alloy steel circular pipe in size range. Vacuum degassed for ultra-low impurities.
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 ladle analysis showing V/Nb/Cb additions distinguishing from standard P9
• Declare 'modified' chemistry explicitly to prevent downgrading to commodity alloy pipe
• Use nitrogen-purged containers for high-alloy pipes sensitive to oxidation