4.5-inch Stainless Steel Drill Pipe for Oil Rigs
This seamless stainless steel drill pipe has an outside diameter of 114.3 mm and wall thickness of 8 mm, designed specifically for oil and gas drilling operations. It falls under HTS 7304.22.0030 due to its seamless construction, stainless steel material, and dimensions suitable for drill pipe in drilling for oil or gas. The pipe features tool joints for connecting sections during rotary drilling.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of alloy steel other than stainless
Drill pipe of alloy steel (not stainless) shifts to 7304.29, same dimensions but different steel type.
If imported as unfinished or rough-turned for further machining
Less finished seamless pipes may classify under 7306.40 as other seamless tubes, not specifically drill pipe.
If imported assembled with drill bit or as part of a complete drilling tool
Assembled into drilling machinery parts under 8431.43, treated as parts of oil/gas drilling machines rather than standalone pipe.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify seamless manufacturing certification and provide mill test reports confirming stainless steel composition and wall thickness under 9.5 mm
• Include end-user declarations specifying oil/gas drilling use to avoid reclassification as general tubing
Related Products under HTS 7304.22.00.30
3.5-inch API Spec 5DP Stainless Drill Tubing
Seamless stainless steel drill tubing with 88.9 mm OD and 7.3 mm wall thickness, compliant with API 5DP standards for oilfield drilling. Classified under HTS 7304.22.0030 as stainless steel drill pipe with OD ≤168.3 mm and wall ≤9.5 mm used in oil or gas drilling. It includes upset ends for welding tool joints.
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. HTS 7304.22.0030 applies to its stainless steel composition, seamless form, and precise dimensions for drill pipe in oil/gas applications. Features friction-welded tool joints for durability.
5-inch Premium Stainless Drill Pipe for Gas Wells
Seamless 5-inch (127 mm) stainless steel drill pipe with 7.8 mm wall thickness, premium grade for natural gas well drilling. It qualifies for HTS 7304.22.0030 as stainless steel seamless drill pipe with OD ≤168.3 mm and thin walls ≤9.5 mm. Designed with enhanced corrosion resistance for sour gas environments.
4-inch Sour Service Stainless Steel Drill Pipe
Specialized 4-inch (101.6 mm OD) seamless stainless steel drill pipe with 8.2 mm wall, rated for sour service in H2S environments during oil/gas drilling. Classified under HTS 7304.22.0030 for its stainless steel seamless construction and compliant dimensions. Meets API standards with upset ends.