Threaded Alloy Steel Reducer Coupling 4x2 inch from Japan
Alloy steel (non-stainless) threaded reducer sleeve coupling transitioning from 4-inch to 2-inch pipe diameters in process piping. Falls under HTS 7307.92.3030 as a sleeve-type fitting despite size reduction, due to its coupling function and alloy material.
Duty Rate — Japan → United States
10%
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
Import Tips
• Invoice must detail both end sizes and thread type; reducer function shouldn't misclassify as elbow
• Hydrostatic test certificates help prove pressure integrity for customs valuation