Forged Alloy Steel Pipe Coupling 2-inch NPT
A forged alloy steel pipe coupling with 2-inch NPT threads, made from low-alloy steel such as AISI 4140. It joins two threaded pipes end-to-end and is classified under this tariff item as a threaded sleeve of non-stainless alloy steel.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the coupling is butt-welding type
Butt-welding fittings of alloy steel are classified separately from threaded fittings.
If the coupling has no threads and is not butt-welding
Other fittings without threads, such as socket-welding or compression types, fall under this item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the fitting is forged, not cast, to avoid classification under a different subheading
• Provide the NPT thread specification on the commercial invoice
• Consider whether the alloy steel qualifies as 'other alloy steel' under Chapter 72 definitions to support the classification
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