16 Inch OD API 5CT C90 Sour Service Alloy Tubing from Germany
Seamless C90 grade alloy steel tubing with 16-inch (406.4 mm) outside diameter, optimized for H2S-containing sour gas wells. Provides balanced strength and sulfide stress cracking resistance. HTS 7304.29.61.60 due to alloy steel composition, seamless process, and precise diameter for oil/gas drilling tubing.
Duty Rate — Germany → 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
• Provide HIC (Hydrogen Induced Cracking) and SSCC test results per NACE TM0177 for sour service validation
• Confirm exact OD tolerance (±0.01 inch typical) stays within 215.9-406.4 mm bounds
• Avoid classification as casing if used strictly for production tubing applications