AISI 4130 Seamless Pipe Alloy Steel Ingots from China
Primary casting ingots of AISI 4130 Cr-Mo steel optimized for seamless tubing in oilfield and aircraft exhausts. HTS 7224.10.00 for these unwrought other alloy steel forms before piercing.
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
• Pipe-grade needs sulfur content control certification
• Ensure no deformation classifying as reinforcing per note (c)
• Bulk container ventilation prevents condensation rust