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 less than 4 mm: > 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
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified under HTS 7304.90.50.00
Seamless Steel Hydraulic Tubing
Thin-walled seamless tubes of nonalloy steel used in hydraulic systems for machinery and equipment. These pipes have a wall thickness under 4 mm and are classified under HTS 7304.90.50.00 due to their seamless construction from iron or nonalloy steel, distinguishing them from welded pipes.
Nonalloy Steel Boiler Flue Pipes
Seamless thin-walled pipes of iron or nonalloy steel designed for conveying hot gases in boiler systems. Wall thickness less than 4 mm qualifies them for HTS 7304.90.50.00 as seamless hollow profiles of nonalloy steel.
Seamless Steel Medical Gas Pipes
Thin-walled seamless nonalloy steel pipes (<4 mm) certified for medical oxygen and gas delivery systems. HTS 7304.90.50.00 covers these clean, seamless tubes of iron/nonalloy steel.
Precision Seamless Steel Instrument Tubing
High-precision seamless tubes of nonalloy steel with wall thickness under 4 mm, used for instrumentation and control lines in industrial applications. Fits HTS 7304.90.50.00 for seamless, thin-walled iron/nonalloy steel pipes.
Automotive Seamless Steel Brake Lines
Seamless nonalloy steel tubes with thin walls (<4 mm) for hydraulic brake systems in vehicles. Classified in HTS 7304.90.50.00 as seamless pipes of iron/nonalloy steel, not as vehicle parts.
Industrial Seamless Steel Condenser Tubes
Thin-walled seamless pipes of nonalloy steel (<4 mm wall) for heat exchanger condensers in power plants. HTS 7304.90.50.00 applies to these seamless hollow profiles of iron/nonalloy steel.
Nonalloy Steel Furniture Frame Tubes
Seamless thin-walled tubes (<4 mm) of nonalloy steel used in metal furniture construction like chair and table legs. HTS 7304.90.50.00 covers these as seamless pipes suitable for structural hollow profiles.
Seamless Steel Gas Line Tubing
Thin-walled seamless nonalloy steel tubes (<4 mm wall) for natural gas distribution lines in industrial settings. Classified under HTS 7304.90.50.00 for seamless iron/nonalloy steel pipes.
Thin-Wall Seamless Steel Structural Pipes
Seamless pipes of nonalloy steel with wall thickness less than 4 mm for lightweight structural frameworks in construction. HTS 7304.90.50.00 applies to these thin-walled seamless hollow profiles.
Laboratory Seamless Steel Vacuum Tubing
Precision seamless nonalloy steel tubes (<4 mm wall) for vacuum systems in laboratory equipment. Fits HTS 7304.90.50.00 as thin-walled seamless pipes of iron/nonalloy steel.
Seamless Steel Air Compressor Lines
Thin-walled (<4 mm) seamless pipes of nonalloy steel for compressed air delivery in industrial compressors. HTS 7304.90.50.00 for seamless iron/nonalloy steel tubes.
Nonalloy Steel Bicycle Frame Tubes
Lightweight seamless tubes (<4 mm wall) of nonalloy steel for bicycle frame construction. Classified HTS 7304.90.50.00 as thin-walled seamless pipes suitable for lightweight frames.
Thin Seamless Steel Exhaust Tubing
Seamless nonalloy steel tubes with wall <4 mm for automotive exhaust manifolds and downpipes. Classified under HTS 7304.90.50.00 as thin-walled seamless pipes.
Seamless Nonalloy Steel Flagpole Pipes
Tall, thin-walled (<4 mm) seamless pipes of nonalloy steel designed for flagpole shafts. HTS 7304.90.50.00 for seamless hollow profiles of iron/nonalloy steel.
Industrial Seamless Steel Cooling Tubes
Thin-walled seamless nonalloy steel tubes (<4 mm) for liquid cooling circuits in manufacturing equipment. Fits HTS 7304.90.50.00 as seamless pipes of iron/nonalloy steel.