Cold-Finished Maraging Steel Bar 110 mm Diameter from China

Maraging C250 steel bar cold-finished to 110 mm diameter for rocket motor cases and landing gear. Under HTS 7228.50.5040 as cold-finished other alloy steel bars 76-228 mm. Ultra-high strength Ni 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

Maraging steels require detailed Ni content certification for alloy status

Age-hardening condition must remain untreated (solution annealed only)

Distinguish from finished aerospace components via mill bar form