API 5CT N80 Stainless Steel Oil Well Tubing from Japan
Welded stainless steel tubing conforming to API 5CT N80 specifications, used in oil and gas drilling operations to line and protect the borehole. Its seamless-like welded construction and high-strength properties classify it under HTS 7306.21.80 as tubing for drilling applications. The stainless steel composition ensures corrosion resistance in harsh downhole environments.
Duty Rate — Japan → United States
50%
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
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Verify API 5CT certification and material test reports (MTRs) to confirm compliance with oilfield standards and avoid reclassification
• Include end-user declarations specifying drilling use to differentiate from general piping under Chapter 73
• Watch for common pitfalls like incorrect welding method documentation, which could shift to seamless tubing codes