Seamless 310S Stainless Steel Heat Exchanger Tube from China
Cold-drawn seamless tube in 310S stainless steel, external diameter 15 mm, optimized for shell-and-tube heat exchangers in chemical processing plants. High chromium content provides excellent resistance to carburization and thermal fatigue. Meets 7304.41.30.15 criteria: stainless steel, cold-formed, <19 mm OD, designated for heat exchangers.
Duty Rate — China → United States
57.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
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
• Obtain supplier declaration of conformity to standards like ASTM A249/A269 for heat exchanger service
• Document pressure and temperature ratings to substantiate 'suitable for heat exchangers' claim