6-5/8 inch Heavy Weight Drill Pipe
Seamless stainless steel heavy weight drill pipe with 6-5/8 inch (168.3 mm OD) diameter, optimized for transition zones in oil/gas drilling strings to reduce fatigue. Includes upset ends for welding tool joints. Classified under 7304.22.00 as drill pipe of stainless 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 pipe is not stainless steel
Non-stainless drill pipe of iron or steel is classified here.
If the pipe is of alloy steel other than stainless
Seamless alloy steel tubes for drilling may fall under this 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
• Ensure the upset ends are documented as part of the drill pipe for classification
• Provide specifications including OD and wall thickness
• Verify if the product qualifies for duty-free entry under a trade agreement
Related Products under Tariff item 7304.22.00
10-3/4 inch Fatigue-Resistant Drill Pipe
Seamless stainless steel drill pipe, 10-3/4 inches (273 mm OD), fatigue-resistant for high-cycle bending in slimhole drilling for oil/gas exploration. Features proprietary spiral grooves for cuttings transport. Classified under 7304.22.00 as drill pipe of stainless steel.
114.3 mm OD Stainless Steel API Drill Pipe Heavy Wall
API-spec seamless stainless steel drill pipe, 114.3 mm OD with heavy wall thickness over 9.5 mm, for directional drilling in gas fields. Classified under 7304.22.00 as drill pipe of stainless steel.
127 mm OD Duplex Stainless Drill Tubing Heavy
Duplex stainless steel seamless tubing used as drill pipe, 127 mm OD with heavy wall for corrosive offshore oil drilling. Classified under 7304.22.00 as drill pipe of stainless steel.
127 mm OD Stainless Steel Oilfield Drill Pipe
Heavy-duty seamless stainless steel drill pipe measuring 127 mm outside diameter with 8.5 mm wall thickness, engineered for high-pressure oil drilling. Provides corrosion resistance and strength for demanding drilling environments.
13-3/8 inch Directional Drill Pipe
Seamless stainless steel 13-3/8 inch (339.7 mm OD) drill pipe tailored for rotary steerable directional drilling in unconventional gas reservoirs. High fatigue life design. Classified under 7304.22.00 as drill pipe of stainless steel.
13Cr Stainless Steel Drill Pipe 4-1/2 Inch OD
Seamless 13% chromium (13Cr) stainless steel drill pipe, 4-1/2 inches outer diameter, designed for corrosive environments such as sour gas wells. Equipped with premium connections for high-pressure drilling, it provides superior corrosion resistance and mechanical strength.