Of iron or nonalloy steel
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Other: > Having a wall thickness of 4 mm or more: > Of iron or nonalloy steel
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
Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Products classified 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.
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.
Nonalloy Steel Seamless Mechanical Tubing
Seamless tubing of nonalloy steel with 4 mm+ walls for mechanical shafts and structural components in vehicles. Under HTS 7304.90.10.00 as other thick-walled seamless products of iron/nonalloy steel.
Heavy Duty Seamless Steel Fence Post
Tall seamless nonalloy steel tube with thick walls (4 mm+), used as fence or gate posts in agricultural and perimeter fencing. Fits HTS 7304.90.10.00 for seamless hollow profiles of iron/nonalloy steel with specified thickness.
Seamless Steel Pile Shell
Extra-thick seamless nonalloy steel shell (wall >4 mm) for concrete-filled foundation piles in construction. HTS 7304.90.10.00 covers such heavy seamless tubes used in civil engineering.
Nonalloy Steel Seamless Anchor Rod Tube
Seamless thick-walled (4 mm+) tube of nonalloy steel for rock anchor rods in tunneling and mining. Classified under HTS 7304.90.10.00 as other seamless hollow profiles meeting material and thickness specs.
Heavy Wall Seamless Steel Guardrail Post
Seamless nonalloy steel tube with walls over 4 mm for highway guardrail support posts. HTS 7304.90.10.00 for thick-walled seamless steel products in infrastructure.
Heavy Wall Seamless Steel Casing Tube
Seamless nonalloy steel tube with wall thickness of 4 mm or more, used as protective casing in oil well drilling. It qualifies for HTS 7304.90.10.00 as a seamless hollow profile of iron/nonalloy steel meeting the wall thickness criterion.
Seamless Iron Hydraulic Cylinder Tube
Seamless tube of iron or nonalloy steel, wall over 4 mm, precision-honed for hydraulic cylinder barrels in machinery. HTS 7304.90.10.00 applies to such thick-walled seamless hollow profiles not specified elsewhere.
Seamless Carbon Steel Heat Exchanger Tube
Nonalloy seamless tube, wall thickness 4 mm+, for shell-and-tube heat exchangers in refineries. Fits HTS 7304.90.10.00 as unspecified thick seamless steel tubes.