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
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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