TP321 Stainless Steel Seamless Pipe 4-inch NPS from Japan
Seamless TP321 stainless steel pipe, 4-inch nominal pipe size, for high-temperature chemical processing with circular cross section. Falls under HTS 7304.49.00 as other seamless stainless pipes not cold-worked or for specific exclusions like boilers. Ideal for corrosive environments due to stabilized alloy.
Duty Rate — Japan → United States
10%
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
Import Tips
• Submit ASTM A312 compliance cert confirming seamless and grade TP321 for accurate duty assessment
• For large diameters, provide pressure rating docs to rule out boiler tube classification