Instrument Air Line Seamless Steel Tubing 12mm OD from China
High-pressure seamless carbon steel tubing (12mm OD) for instrumentation and control air systems in industrial plants. HTS 7304.39.0020 covers these seamless nonalloy steel tubes under 38.1mm OD with circular section, suitable for brazing connections. 1/2" hard condition for maximum pressure rating.
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
• Specify tubing condition (1/2 hard, full hard) affecting bend radius capabilities
• Include proof pressure test data (4x working pressure minimum)
• Markings must include size, wall thickness, and grade per ASTM A269/A213