AISI 4130 Chromoly Flat Bar Stock from China
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 — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
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