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
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
• Pipe-grade needs sulfur content control certification
• Ensure no deformation classifying as reinforcing per note (c)
• Bulk container ventilation prevents condensation rust