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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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