Thick-Wall Seamless Steel Pressure Pipe
Nonalloy steel seamless pipe designed for high-pressure fluid transport, with wall thickness of 4 mm or greater. Classified in HTS 7304.90.10.00 as other seamless tubes/pipes of iron or nonalloy steel meeting the thickness requirement.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If threaded or socket welded
Fittings-like ends classify under pipe fittings in 7307.
If alloy steel material
Alloy composition directs to 7304.39 for other alloy seamless pipes.
If parts of pumps or compressors
Specific machinery end-use reclassifies under Chapter 84.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include pressure test certificates; failure common in audits for pressure-rated goods
• Confirm nonalloy status with chemical analysis reports
• Package for bulk industrial import to sidestep retail duty issues
Related Products under HTS 7304.90.10.00
Thick Seamless Steel Roller Tube
Heavy-walled (4 mm+) seamless nonalloy steel tube for conveyor rollers and industrial machinery. HTS 7304.90.10.00 for such mechanical hollow profiles.
Nonalloy Steel Seamless Torsion Bar Tube
Seamless thick-wall tube of nonalloy steel for vehicle suspension torsion bars. Classified HTS 7304.90.10.00 as mechanical seamless profile.
Heavy Seamless Steel Chimney Liner
Seamless nonalloy steel liner tube with 4 mm+ walls for industrial chimney stacks. HTS 7304.90.10.00 for thick seamless tubes.
Seamless Carbon Steel Boiler Tube
A seamless tube made from nonalloy steel with a wall thickness exceeding 4 mm, designed for high-pressure boiler applications in industrial settings. It falls under HTS 7304.90.10.00 as it is a seamless hollow profile of iron or nonalloy steel with the specified wall thickness, suitable for transporting fluids or gases under pressure.
Nonalloy Steel Seamless Line Pipe
Heavy-walled seamless pipe of nonalloy steel, wall thickness over 4 mm, used for oil and gas transmission lines. Classified under HTS 7304.90.10.00 due to its seamless manufacture from iron or nonalloy steel and thick walls for high-strength applications.
Seamless Nonalloy Steel Structural Pipe
Seamless pipe from nonalloy steel with walls thicker than 4 mm, employed in construction for load-bearing columns and supports. Falls under HTS 7304.90.10.00 for its seamless production and material specs in heavy-duty hollow profiles.