10-1/2 inch 79# C-110 Duplex Stainless Casing
C-110 grade duplex stainless steel seamless casing pipe with a 10-1/2 inch outside diameter, weighing 79 pounds per foot, with a wall thickness of 19.1 mm. It features VAM 21RPX premium threads for deepwater applications. Its seamless duplex stainless steel construction qualifies it for tariff item 7304.24.00.
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 casing is not stainless steel
Covers other seamless casing and tubing of iron or steel for oil/gas drilling.
If the pipe is line pipe rather than casing
Seamless stainless steel line pipe of a kind used for oil/gas pipelines.
If the casing is welded rather than seamless
Welded stainless steel casing would fall under this heading for other tubes and pipes.
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
• Provide documentation showing the duplex stainless steel grade (C-110) to support classification
• Declare the pipe as seamless casing for oil/gas drilling, not as line pipe
• Verify the VAM 21RPX premium thread type is accurately described on the customs declaration
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