Welded Chromoly Steel Bike Frame Tube from China
4130 chromoly alloy steel welded tube, circular 1.5-inch OD, 0.120-inch wall (>1.65 mm converted), for high-end bicycle frames. Under HTS 7306.50.50 as other welded thick alloy steel tubes.
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
• Butt profiles and miter cuts are acceptable if not fully fabricated into frames
• ISO 4210 strength testing docs support recreational vs industrial end-use claims
• Metric vs imperial sizing consistency avoids valuation disputes