T9 Seamless Superheater Pipe 45mm OD from China
T9 grade (9% chromium) seamless alloy tube, 45 mm OD, for superheaters in fossil fuel plants. Its high creep strength suits HTS 7304.59.20.45 parameters for superheaters and diameter.
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
• Certify with tensile strength tests for superheater validation
• Use protective coatings during shipping to prevent surface disputes
• Differentiate from wire per chapter note (OD >16mm)