Martensitic Stainless Drill Pipe 3-1/2 Inch Slim Hole from China
Martensitic stainless steel (e.g., 410/420 grade) drill pipe, 3-1/2 inch OD for slim hole drilling in oil exploration. Seamless with high hardness for abrasive formations. Under 7304.22.00 as stainless steel seamless drill pipe for oil/gas.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%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
9903.91.0125%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
Import Tips
• Specify martensitic grade and hardness (Rockwell C) in docs for material verification
• Slim hole designs risk reclass to 7304.19 if not proven for oil/gas drilling