Chromoly 4130 Seamless Round Tube from Japan
4130 chromoly seamless tube with 0.083 inch (2.1 mm) wall thickness, in 1-inch diameter, for automotive roll cages and chassis. HTS 7304.90.70.00 applies to its alloy steel seamless thin-wall profile. Heat-treatable for high tensile strength.
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 of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• MTC must list exact alloy grade (e.g
• 4130) with percentages of Cr, Mo to substantiate alloy classification
• Confirm wall thickness via caliper measurements in entry docs; variances can trigger audits
• Not for pressure service? Include end-use declaration to avoid pipeline tariffs