Offshore Drilling Riser Joint
> A marine riser joint connects sections of the riser string used in offshore drilling platforms to convey drilling fluid and guide tools between the rig and subsea wellhead. These high-pressure, corrosion- resistant joints are designed for use with boring or sinking machinery of subheading 8430.41 or 8430.49. They are essential for deepwater 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 | +25.0% | 25% |
| 🇩🇪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 riser joint is a plain steel pipe
Tubular goods of iron or steel are classified in Chapter 73.
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
• > Ensure the riser joint is classified as a part of boring machinery, not as a general pipe or tubing
• Provide pressure ratings and material certifications
• Verify that it is not classified as a structural article
Related Products under Tariff item 8431.43.00
BOP Stack Assembly for Offshore Platforms
> A blowout preventer (BOP) stack assembly is a critical safety component designed specifically for offshore oil and natural gas drilling platforms. It consists of multiple ram and annular preventers that seal the wellbore to control pressure during drilling operations. This assembly is a part suitable for use solely or principally with boring or sinking machinery of subheading 8430.41 or 8430.49.
Catwalk Pipe Skidder Arm
> A catwalk pipe skidder arm is a hydraulic component that transfers pipe from the catwalk to the V-door on offshore platforms for mousehole operations. It is designed specifically for pipe handling on boring or sinking machinery of subheading 8430.41 or 8430.49. This arm is an essential automation part for offshore drilling rigs.
Iron Roughneck Torque Wrench Jaw
> Replaceable jaw inserts for iron roughneck make/break tools on offshore platforms, gripping pipe connections during tripping operations. These hardfaced jaws are critical for torque application and are designed for use with boring or sinking machinery of subheading 8430.41 or 8430.49. They are wear parts specifically for offshore drilling rigs.
Kelly Drive Bushing
> A kelly drive bushing is a precision-machined component that engages the square kelly bar in offshore platform rotary tables, transmitting torque to the drill string. Made from hardened alloy steel, it is designed for use with boring or sinking machinery of subheading 8430.41 or 8430.49. This bushing is a wear part exclusive to drilling rigs.
Master Bushing Insert for Offshore Rotary Table
> A master bushing insert for offshore rotary tables is a replaceable component that supports kelly/spider drives during drilling operations. Made from hardened steel with a square drive hole, it is designed for use with boring or sinking machinery of subheading 8430.41 or 8430.49. This wear part is essential for offshore drilling rigs.
Mud Pump Fluid End Section
> The fluid end section of high-pressure mud pumps circulates drilling fluid through offshore platform systems for boring or sinking machinery of subheading 8430.41 or 8430.49. It contains pistons, valves, and liners exposed to abrasive drilling fluids. This section is a critical part for maintaining drilling operations.