4.5-inch P110 Alloy Steel Casing Tubing
Seamless P110 grade alloy steel tubing with a 4.5-inch (114.3 mm) outside diameter and 12 mm wall thickness. Used as casing in oil well drilling to line boreholes and provide structural integrity. Falls under tariff item 7304.23.00 as seamless alloy steel drill pipe for oil and gas drilling.
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 tubing is made of non-alloy steel
This item covers other casing and tubing, seamless, of iron or steel, not of alloy steel.
If the product is stainless steel
Stainless steel casing and tubing are classified under this separate tariff 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 P110 grade certification and provide documentation showing the alloy steel composition
• Ensure the dimensions (OD and wall thickness) are accurately declared for customs purposes
• Check if the product qualifies for any free trade agreements that may reduce or eliminate duty
Related Products under Tariff item 7304.23.00
10-3/4 Inch Directional Drilling Pipe
Seamless alloy steel drill pipe optimized for directional and horizontal drilling, with a 10-3/4 inch (273 mm) outside diameter and high torsional strength. Used in oil and gas drilling to transmit torque and drilling fluid. Classified under tariff item 7304.23.00 as other drill pipe of alloy steel.
114.3 mm Alloy Steel Heavy Weight Drill Pipe
Heavy weight drill pipe (HWDP) of seamless alloy steel, 114.3 mm outside diameter with an 11 mm wall thickness, featuring upset ends for tool joint welding. Essential transition pipe between drill collars and regular drill pipe in oil and gas drilling, classified under tariff item 7304.23.00.
127 mm OD Q125 High-Strength Drill Tubing
Proprietary Q125 grade seamless alloy steel tubing with a 127 mm outside diameter and 13.2 mm wall thickness for ultra-deepwater drilling. API 5CT compliant with enhanced collapse resistance, classified under tariff item 7304.23.00.
13-3/8 Inch Large Bore Alloy Drill Pipe
Extra-large seamless alloy steel drill pipe with a 13-3/8 inch (339.7 mm) outside diameter, designed for large bore oil wells and geothermal drilling applications. Provides high strength and durability for demanding drilling conditions. Classified under tariff item 7304.23.00 as other drill pipe of alloy steel.
2-7/8 inch Drill Stem Tubing Alloy Steel
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This is a seamless drill pipe made of nonalloy steel, specifically G-105 grade, with a 3-1/2 inch outer diameter and 13.30 lb/ft weight. It is used in slimhole directional drilling for gas wells and features internal plastic coating for corrosion protection. As a drill pipe of a kind used in drilling for oil or gas, it falls under tariff item 7304.23.00.