Having an outside diameter exceeding 168.3 mm

Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Casing, tubing and drill pipe, of a kind used in drilling for oil or gas: > Other drill pipe: > Of alloy steel > Having an outside diameter exceeding 168.3 mm

Duty Rate (from China)

35%
MFN Base RateFree

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Total Effective Rate35%

Products classified under HTS 7304.23.60.60

4-1/2 Inch Alloy Steel Drill Pipe

Seamless alloy steel drill pipe with an outside diameter of 114.3 mm (4-1/2 inches), designed for oil and gas drilling operations to transmit drilling fluid and torque to the drill bit. Classified under HTS 7304.23.60.60 due to its seamless construction, alloy steel composition, and diameter exceeding 168.3 mm threshold in the hierarchy for drill pipe used in drilling for oil or gas.

5 Inch Heavy Weight Alloy Drill Pipe

Heavy weight seamless drill pipe made of alloy steel, 5 inches (127 mm) OD but with upset ends exceeding 168.3 mm overall diameter, used in oilfield drilling for added weight and stability. Falls under HTS 7304.23.60.60 as alloy steel drill pipe with qualifying outside diameter for oil/gas applications.

6-5/8 Inch API Alloy Steel Drill Pipe

Seamless API-grade alloy steel drill pipe measuring 6-5/8 inches (168.275 mm) nominal OD, engineered for high-torque oil and gas drilling with tool joints. HTS 7304.23.60.60 applies to its seamless alloy steel construction and diameter exceeding 168.3 mm for drill pipe use.

7 Inch High-Strength Alloy Drill Pipe

High-strength seamless alloy steel drill pipe with 7-inch (177.8 mm) OD, featuring premium connections for deepwater oil exploration drilling. Classified in HTS 7304.23.60.60 for alloy steel seamless drill pipe exceeding 168.3 mm diameter used in oil/gas drilling.

8-5/8 Inch Sour Service Drill Pipe

Seamless alloy steel drill pipe rated for sour (H2S) service, 8-5/8 inches (219.1 mm) OD, with enhanced corrosion resistance for harsh oilfield environments. HTS 7304.23.60.60 covers its seamless alloy composition and large diameter for gas drilling applications.

9-5/8 Inch Premium Alloy Drill Pipe

Premium class seamless drill pipe of alloy steel, 9-5/8 inches (244.5 mm) OD, with double shoulder connections for maximum torque in extended reach drilling. Fits HTS 7304.23.60.60 as large-diameter seamless alloy drill pipe for oil/gas operations.

10-3/4 Inch Directional Drilling Pipe

Seamless alloy steel drill pipe optimized for directional and horizontal drilling, 10-3/4 inches (273 mm) OD with high torsional strength. Classified under HTS 7304.23.60.60 for its alloy steel seamless design and diameter exceeding 168.3 mm in oil/gas drilling.

13-3/8 Inch Large Bore Alloy Drill Pipe

Extra-large seamless alloy steel drill pipe, 13-3/8 inches (339.7 mm) OD for large bore oil wells and geothermal drilling applications. HTS 7304.23.60.60 designation reflects its seamless alloy steel makeup and oversized diameter for specialized drilling.