Rough Forged Alloy Steel Coupling from Mexico
Cylindrical forged coupling of low-alloy steel (e.g., 4340 grade) for joining two pipes end-to-end, supplied in as-forged condition without machining. Meets HTS 7307.99.30.00 for non-processed forged fittings of alloy steel other than stainless.
Duty Rate — Mexico → United States
13.2%
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
Import Tips
• Use ISO-certified test reports for material specs; CBP often audits alloy vs. carbon steel distinctions
• Avoid any pre-shipment cleaning that could be interpreted as 'processing'; ship with mill scale intact