Chrome-Moly P11 Alloy Steel Threaded Coupling 6-inch
A threaded coupling made from P11 grade chrome-moly alloy steel, used in high-temperature power plant steam lines rated up to 600 PSI. The 1.25% chromium content provides elevated temperature strength, and it falls 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 of stainless steel
Threaded elbows, bends and sleeves of stainless steel are classified under this separate subheading.
If the fitting is cast rather than forged
Cast fittings of iron or steel, other than of non-malleable cast iron, fall under this alternative.
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
• Verify the alloy composition (P11) with a certificate of analysis to confirm it is not stainless steel
• Note that the 6-inch size may require additional documentation for pressure equipment regulations
• Check if the goods originate from a country with a free trade agreement with Canada to claim preferential duty rates
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