Seamless Steel Flowline Pipe 13.5-inch OD from China
Nonalloy seamless pipe for subsea flowlines, 342.9 mm OD, 10.8 mm wall thickness, sour service resistant. Fits 7304.39.0062: circular seamless tube of iron/nonalloy steel, 285.8-406.4 mm OD range, <12.7 mm wall. Used in offshore production manifolds.
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
• HIC/SSCC test certs common for sour service—include to support value but not classification
• Measure OD post-coating; epoxy linings shouldn't alter dimensional classification
• Avoid 'riser' declaration—pure flowline stays tubes, risers may invoke 7304.29 or parts