321 Stabilized Stainless Superheater Tube from Japan
Titanium-stabilized 321 stainless welded tubes designed for superheater service in fossil fuel boilers, with wall thickness exceeding 1.65 mm. Prevents sensitization during high-temperature exposure. HTS 7306.40.50.15 designation for superheater applications.
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
• Include stabilization heat treatment certificates from accredited labs
• Document maximum operating temperature and pressure ratings
• Ensure declaration matches exact statistical dimensions for accurate duty assessment