AISI 4130 Chromoly Steel Round Bloom from China
Cylindrical bloom of AISI 4130 chromium-molybdenum steel for aircraft tubing. Under HTS 7224.90.0075 as other alloy semi-finished, excluding high-strength or tool steel categories per U.S. notes.
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
• Declare mechanical properties if borderline high-strength; use commercial invoice with detailed specs; prepare for CBP lab testing on alloy content