AISI 4340 Nickel-Chromium-Moly Round Wire 4mm from Japan
High-tensile strength round wire of nickel-chromium-molybdenum alloy steel (AISI 4340), 4 mm diameter, for aerospace bolts and gears. Falls under HTS 7229.90.50.51 as other round alloy steel wire ≥1.5 mm, distinct from tool steel or heat-resisting steel definitions. Hot-rolled and coiled for industrial machining.
Duty Rate — Japan → 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
• Submit chemical analysis certificate confirming it doesn't meet tool steel criteria (note e); measure diameter precisely as statistical suffix depends on it
• Segregate from stainless to prevent Chapter 72 note misapplication