Carbon Steel Threaded Pipe Union from China

Threaded union fitting from nonalloy carbon steel, allowing easy disconnection of pipe sections in maintenance-heavy lines. Under HTS 7307.99.50.45 for other iron/nonalloy fittings. Features ball-and-socket joint for alignment.

Duty Rate — China → United States

39.3%

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

Thread specs (NPT/BSP) irrelevant to classification but critical for entry docs

Confirm carbon steel via AISI grade (e.g

1018) not exceeding alloy thresholds

Unions over 6" may trigger different statistical suffixes