SAE 4130 Seamless Alloy Steel Pipe from China
A seamless pipe made from 4130 chrome-moly alloy steel with circular cross section, outside diameter of 152.4 mm, and wall thickness of 10 mm. Classified under HTS 7304.59.80.30 due to its alloy steel composition, seamless construction, OD between 114.3-190.5 mm, and thin wall less than 12.7 mm.
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
• Verify chemical composition certificate to confirm alloy steel status (e.g
• chromium >1.25%, molybdenum present) as per Chapter 73 notes
• Provide mill test report (MTR) showing seamless production method and exact OD/wall dimensions to avoid reclassification