4 Inch 14.00 lb/ft E75 Sour Service Drill Pipe from China
E75 grade seamless drill pipe optimized for H2S sour service environments in natural gas drilling, 4-inch OD, 14 lb/ft nonalloy steel. Meets NACE MR0175 standards for sulfide stress cracking resistance. Under 7304.23.30.00 as drill pipe of iron/nonalloy steel.
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
• Include NACE compliance certificates for sour service grades during import clearance
• Specify hardness limits (≤22 HRC) in material certs to validate classification