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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of welded stainless steel
Stainless steel pressure pipes fall under Chapter 73 heading 7302 for line pipe of iron/steel.
If used for casing wells rather than pressure transport
Casing pipes for oil/gas wells are classified separately under 7304, regardless of diameter.
If imported in threaded lengths >3m as unfinished goods
Threaded/forged pipe fittings or unfinished pipes shift to heading 7306.
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Import Tips & Compliance
• Verify pressure rating certification (e.g
• AWWA C151) and provide hydrostatic test reports for customs clearance
• Ensure documentation includes exact inside diameter measurement to confirm <356 mm classification
Related Products under HTS 7303.00.00.60
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.