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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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