Seamless Boiler Tube SA-106 Grade B 14-inch OD 18mm WT from Japan
ASME SA-106 Grade B seamless carbon steel tube for high-temperature boiler service, 355.6 mm OD, 18 mm wall. Classifies in HTS 7304.39.0068 for seamless non-alloy steel pipes of circular cross section in the defined dimensions. Withstands extreme pressures in power plants.
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
• Supply ASME material certs; lack thereof risks classification as generic tube
• Specify 'other' vs pressure tube subheadings based on exact service intent
• Watch minimum wall tolerance; under 12.7 mm effective thickness reclassifies