Cold-Formed 4340 Alloy Steel Shaft Blank 300mm from Mexico
Cold-formed 4340 nickel-chromium-molybdenum alloy steel bar with 300 mm diameter, supplied as shaft blanks for oilfield drilling equipment. Falls under HTS 7228.50.50.70 for other cold-finished alloy steel bars exceeding 228 mm cross-section, not further worked.
Duty Rate — Mexico → United States
10%
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
Import Tips
• Include heat analysis certificate proving 4340 alloy specs; U.S
• Note (e) defines qualifying alloy elements
• Document cold-forming process to distinguish from hot-rolled; inspect for surface scale which indicates hot-rolling
• Large diameter bars may require special handling declarations for transportation and storage compliance