Heavy-Wall Seamless Alloy Steel Cylinder Liner from Japan
Seamless alloy steel tube with 139.7 mm OD and 24 mm wall thickness, used as cylinder liners in large diesel engines. Meets 7304.59.80.40 criteria: seamless, alloy steel, circular CS, OD range 114.3-190.5 mm, wall ≥19 mm.
Duty Rate — Japan → United States
50%
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
9903.05.900%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 inner surface honing quality if machined; unfinished tubes stay in 7304
• Distinguish from finished engine parts which may classify under 8409/91
• Declare exact alloy grade (e.g
• 4140, 4340) for duty verification