ASTM A333 Grade 6 Low-Temp Seamless Pipe 4-inch from China
Seamless carbon steel pipe ASTM A333 Gr.6 for low-temperature service (-46°C), 4-inch diameter, nonalloy steel. Used in cryogenic piping systems. Falls under 7304.39.00 other seamless category.
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
• Charpy impact test results mandatory for low-temp certification validation
• Normalized heat treatment records confirm material properties
• Pressure-temperature ratings per ASME B31.3 code reference