AISI 4140 Chrome-Moly Hollow Bar from China
Seamless hollow profile of 4140 alloy steel used as mechanical tubing, 165 mm OD, 9.5 mm wall thickness. Fits HTS 7304.59.80.30 as 'hollow profiles, seamless, of other alloy steel' with specified circular dimensions and thin wall.
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
• Label as 'alloy steel' with grade marking; customs may test for alloy elements if documentation lacks
• Ensure no weld seams visible on ultrasonic testing report to prove seamless nature