High Collapse Resistance Alloy Steel Drill Pipe from China
Seamless alloy steel drill pipe engineered with thick walls for high collapse resistance in deepwater oil/gas drilling. Falls under HTS 7304.23.60 as specialized drill pipe of alloy steel for extreme pressure environments.
Duty Rate — China → United States
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Submit collapse test data and finite element analysis confirming design for drilling pressures
• Document wall thickness ratios distinguishing from casing (drill pipe typically 0.28-0.45 upset ratio)