Silico-Manganese Alloy Steel Lock Wire from China
Soft annealed silico-manganese steel wire used for safety wiring in aerospace and machinery to secure fasteners. Classified HTS 7229.20.00.90 as other silico-manganese wire, with alloy ensuring kink resistance and consistent diameter. Critical for vibration-prone assemblies.
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
• Provide annealing cert and elongation tests; declare aerospace specs like MS20995; watch diameter tolerances for statistical reporting