Alloy Steel Exhaust Tubing 3-inch OD from China
Welded circular tubing of heat-resistant alloy steel, 3-inch outer diameter, wall ≥1.65 mm, for automotive and industrial exhaust systems. Classified in HTS 7306.50.50 as 'other' welded thick-walled alloy steel tubes, suitable for high-temperature gas conveyance.
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 SAE or ASTM specs showing corrosion resistance for alloy verification
• Separate from manifolds; plain tubes remain Chapter 73, assemblies go to 87 or 84
• Watch for AD/CVD on specific alloy grades from China or other origins