4140 Alloy Steel High-Pressure Coupling Sleeve 3-inch from Canada
Heavy-duty threaded sleeve from 4140 chrome-moly alloy steel for 3-inch high-pressure hydraulic lines in mining equipment. HTS 7307.92.3030 applies to these non-stainless alloy threaded couplings, offering superior tensile strength for demanding industrial connections.
Duty Rate — Canada → 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
• Chemical analysis report required to prove 4140 alloy (Cr 0.8-1.1%, Mo 0.15-0.25%) and non-stainless status
• Specify application (e.g
• hydraulic) but avoid end-use claims that could trigger reclassification