AISI 4130 Chromoly Flat Bar Stock from Japan
AISI 4130 chromium-molybdenum low alloy steel flat bar stock, semi-finished with rectangular section width at least four times thickness, aircraft grade. Under HTS 7224.90.0055 as other (non-specialty defined) alloy steel.
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
• Reference SAE/ASTM specs in entry docs to support alloy classification
• Ensure billet not in coil form (would shift to other subheadings)
• Pre-inspect for 'further worked' surfaces like burnishing