Cold-Finished Maraging Alloy Steel Round Bar from Mexico
C250 maraging steel bar (18% Ni, Co, Mo), cold-finished 30 mm diameter for rocket motor cases. Under HTS 7228.50.5015 as cold-finished alloy steel <76 mm cross-section. Ultra-high strength from precipitation aging of low-carbon martensite.
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
• Provide aging heat treatment specification in material certs
• Document solution treatment prior to cold-finishing process
• Confirm compliance with ITAR if defense-related end use