3-inch Schedule 160 Alloy Steel Pipe from China
Nominal 3-inch (88.9mm OD) Schedule 160 seamless alloy steel pipe with ~22mm wall thickness for high-pressure drilling risers. Precisely matches HTS 7304.59.80.25 specifications for heavy-walled seamless alloy tubes. Used in oil & gas exploration equipment.
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
• Reference Schedule 160 designation with actual wall thickness in entry docs for verification
• API 5L or 5CT markings support pressure pipe classification but don't change HTS
• Bundling multiple lengths may trigger 'set' considerations if sold as assemblies