16-Inch OD Welded Oil Well Casing
Heavy-duty welded casing tube of nonalloy steel with a 16-inch external diameter, used in oil drilling to prevent borehole collapse and protect aquifers. The circular cross-section exceeds 406.4 mm, meeting the tariff item's requirements.
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
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Import Tips & Compliance
• Ensure the casing is nonalloy steel and the OD exceeds 406.4 mm
• Provide API 5CT documentation
• Verify the welding method (e.g
• ERW) is correctly declared
Related Products under Tariff item 7305.20.00
13-3/8" Alloy Steel Surface Casing
Threaded and coupled 13-3/8 inch alloy steel surface casing for initial wellbore support in oil drilling operations. This welded iron/steel tube with a circular cross-section exceeding 406.4 mm external diameter is classified under tariff item 7305.20.00 as alloy casing of a kind used in drilling for oil or gas.
16-Inch OD L80 Coupled Casing for Gas Wells
Welded L80 grade nonalloy steel casing with a 16-inch outer diameter and coupled ends, used to protect and support gas well bores. Its circular cross-section exceeds 406.4 mm, meeting the tariff item's dimensional requirements.
16" Q125 Premium Threaded Casing
Q125 high-collapse strength alloy casing with a 16-inch external diameter, threaded and coupled per API specifications for challenging oil drilling. This welded alloy steel pipe exceeds 406.4 mm in diameter and is classified under tariff item 7305.20.00 as casing of a kind used in drilling for oil or gas.
17.5-inch Alloy Casing for Horizontal Shale Drilling
Welded alloy steel intermediate casing with a 17.5-inch external diameter, optimized for extended reach horizontal drilling in shale formations. This large circular cross-section pipe exceeds 406.4 mm and is classified under tariff item 7305.20.00 as casing of a kind used in drilling for oil or gas.
17-Inch Intermediate Casing Pipe
17-inch outer diameter welded intermediate casing of nonalloy steel for multi-stage oil drilling support. Its circular cross-section exceeds 406.4 mm, qualifying under this tariff item.
18-5/8" Alloy Intermediate Casing
Threaded coupled intermediate casing of alloy steel with an 18-5/8 inch external diameter for mid-depth oil well protection. This welded circular cross-section pipe exceeds 406.4 mm and is classified under tariff item 7305.20.00 as alloy casing of a kind used in drilling for oil or gas.