Cast Steel Socket Weld Union 1/2 Inch from China
Socket weld cast steel union for 1/2-inch high-pressure pipes, common in oil and gas lines. Falls under HTS 7307.19.90.30 as a cast union fitting, distinct from buttweld elbows. Enables precise alignment and easy disassembly.
Duty Rate — China → United States
41.2%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Specify weld type (socket vs butt) clearly, as it affects assembly but not HTS classification
• Certify steel grade (e.g
• ASTM A105) to prevent reclassification as alloy steel
• Small sizes often imported in bulk; segregate from sets to avoid ensemble classification