321 Stainless Steel Stabilized Pipeline Tube from China
Seamless 321 stabilized stainless steel tube for welded oil and gas pipelines, titanium addition prevents carbide precipitation. Maintains corrosion resistance in weld heat-affected zones. Classified 7304.11.00 as stainless seamless line pipe.
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
• Stabilization certificate (Ti/Nb content) required for 321/347 grades
• Intergranular corrosion test results per ASTM A262 Practice E mandatory
• Weld procedure qualification records support pipeline end use