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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel construction
Alloy steel seamless pipes with thick walls go to 7304.39 subheadings.
If for wall thickness less than 4 mm
Thin-walled seamless pipes classify separately under 7304.90.50.
If specifically for nuclear reactors
End-use in nuclear applications may reclassify under Chapter 84 machinery parts.
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
• Obtain API 5L certification for line pipe; lack of it may trigger scrutiny from customs
• Document external diameter and wall thickness precisely to confirm 7304.90.10 eligibility
• Avoid bulk packaging pitfalls by labeling for industrial use, not retail
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.
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.
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.