Structural Seamless Steel Tube 18mm OD from China
Schedule 40 seamless carbon steel pipe sized tube (18mm OD) for structural frameworks and supports. Classifies in HTS 7304.39.0020 as other seamless nonalloy steel tubes under 38.1mm OD, suitable for welding and mechanical connections. ASTM A53 Grade B equivalent.
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
• Wall thickness schedule designation (STD, XS, XXS) must match declared dimensions
• Confirm black phosphate or bare finish; galvanized changes to coated steel classification
• Length documentation prevents 'in coils' misdeclaration