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321 Stainless Steel Welded Tubing 5-inch OD from China

Welded 321 stabilized stainless steel tubing, 127 mm OD, 2.8 mm wall thickness, 9-12% nickel. Falls under 7306.40.50.85 for welded stainless circular profiles with required wall thickness, size range, and nickel composition for high-temperature exhaust systems.

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

Wall thickness certification critical; 321 often produced at minimum 1.65 mm

Specify 'tubing' vs 'pipe' in docs but classify by HTS dimensions, not nomenclature

Avoid retail packaging that might trigger GRI 3 set rules