Pressure pipe with an inside diameter of less than 356 mm
Tubes, pipes and hollow profiles, of cast iron > Pressure pipe with an inside diameter of less than 356 mm
Duty Rate (from China)
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
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 7303.00.00.60
Ductile Iron Pressure Water Pipe DN200
A seamless ductile cast iron pipe with an inside diameter of 200 mm (7.87 inches), designed for high-pressure water distribution systems. It features a cement mortar lining and external bituminous coating for corrosion resistance. Classified under HTS 7303.00.00.60 as pressure pipe of cast iron with inside diameter less than 356 mm.
Cast Iron Pressure Sewer Pipe Class 52 DN250
High-strength cast iron pressure pipe, inside diameter 250 mm (9.84 inches), Class 52 rating for pressurized sewer force mains. Push-on joint design with protective linings. Fits HTS 7303.00.00.60 for cast iron pressure pipes under 356 mm ID.
AWWA C151 Ductile Iron Pressure Pipe 8-inch
8-inch (203 mm ID) ductile iron pressure pipe meeting AWWA C151 standards for municipal water transmission under pressure. Features polyurethane internal lining. HTS 7303.00.00.60 applies to cast iron pressure pipes <356 mm diameter.
Ductile Iron Fire Hydrant Pressure Pipe DN150
DN150 (6-inch, 159 mm ID) ductile cast iron pipe for underground fire hydrant supply lines under pressure. Corrosion-resistant exterior coating. Covered by HTS 7303.00.00.60 for small-diameter cast iron pressure pipes.
Class 50 Ductile Iron Pressure Pipe 12-inch
12-inch nominal (305 mm ID) Class 50 ductile iron pressure pipe for irrigation and municipal pressure mains. Double cement-lined with seal-coated exterior. HTS 7303.00.00.60 for cast iron pressure pipes under 14 inches ID.
Centrifugally Cast Iron Pressure Pipe DN100
DN100 (4-inch, 109 mm ID) centrifugally cast ductile iron pressure pipe for high-pressure service lines. Polyethylene encased for extra protection. Qualifies under HTS 7303.00.00.60 as small ID pressure pipe of cast iron.
Ductile Iron Pressure Pipe for Pump Discharge 10-inch
10-inch (254 mm ID) ductile iron pipe rated for pump discharge pressures up to 350 psi. Flanged ends optional, cement lined. HTS 7303.00.00.60 covers this cast iron pressure pipe size.
ISO 2531 Ductile Iron Pressure Pipe DN300
DN300 (11.8-inch, 310 mm ID) ductile iron pressure pipe compliant with ISO 2531 for water networks. K9 pressure class with epoxy lining. Fits HTS 7303.00.00.60 limit just under 356 mm.
Municipal Pressure Main Cast Iron Pipe 6-inch
6-inch ID (152 mm) gray/ductile cast iron pressure pipe for municipal water mains. Bituminous sealed joints. HTS 7303.00.00.60 for pressure-rated cast iron pipes.
High-Pressure Cast Iron Service Pipe DN80
DN80 (3-inch, 82 mm ID) cast iron pressure pipe for building service connections under high pressure. Protective linings both interior/exterior. Small diameter qualifies for HTS 7303.00.00.60.