Seamless Pressure Piping Tube 16-inch OD from China
High-pressure seamless steel tube, 406.4 mm OD, 12.5 mm wall, ASTM A335 P5 equivalent but nonalloy for power plant steam lines. Classifies in 7304.39.0062: seamless, circular, nonalloy steel, exact upper OD limit, sub-12.7 mm wall. For utility boiler feedwater systems.
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
• Confirm wall exactly under 12.7 mm via multiple measurements; border-line cases often audited
• Nonalloy certs vital—trace Cr/Mo < alloy thresholds to avoid 7304.51 pressure tube heading
• End-use statements for power gen can aid Fastner rulings but won't change base classification