Of iron or nonalloy steel
Other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross sections, the external diameter of which exceeds 406.4 mm, of iron or steel: > Other: > 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 7305.90.10.00
Large Diameter Water Main Pipe 48-inch
Welded nonalloy steel pipe with 1219 mm external diameter for municipal water distribution mains. It qualifies for HTS 7305.90.10.00 as an other tube/pipe with circular section exceeding 406.4 mm, made of iron or nonalloy steel. Features thick walls for burial under high pressure.
Industrial Ventilation Duct Pipe 16-inch
Welded spiral pipe of nonalloy steel, 406.5 mm OD (just over threshold), for large factory exhaust systems. Meets HTS 7305.90.10.00 for circular cross-section pipes >406.4 mm of iron/nonalloy steel. Smooth interior for high airflow.
Municipal Sewer Force Main Pipe 42-inch
Welded cement-lined pipe of nonalloy steel, 1067 mm diameter, for pressurized sewer force mains. Under HTS 7305.90.10.00 as other large welded circular pipes of nonalloy steel. Lining protects against sewage corrosion.
Welded Carbon Steel Pipe 24-inch OD
A large-diameter welded pipe made from nonalloy steel with an external diameter of 610 mm, used primarily for oil and gas transmission pipelines. It falls under HTS 7305.90.10.00 as it is a welded tube with circular cross-section exceeding 406.4 mm, constructed from iron or nonalloy steel. These pipes are designed for high-pressure fluid transport in industrial applications.
Nonalloy Steel Culvert Pipe 18-inch OD
Corrugated welded pipe of iron or nonalloy steel, 457 mm external diameter, used for stormwater drainage and culverts under roadways. Classified under HTS 7305.90.10.00 due to its circular cross-section over 406.4 mm and welded construction from nonalloy steel. Ideal for civil engineering infrastructure projects.
API 5L Grade B Pipeline Pipe 30-inch
Helical seam welded pipe (spiral welded) of nonalloy steel, 762 mm OD, meeting API 5L Grade B specs for natural gas pipelines. Falls under HTS 7305.90.10.00 for other large-diameter welded pipes of iron/nonalloy steel. Used in long-distance energy transport.
Corrugated Steel Drainage Pipe 24-inch
Riveted or lock-seam corrugated pipe of nonalloy steel, 610 mm diameter, for agricultural and highway drainage. HTS 7305.90.10.00 applies to its welded/riveted closure, circular section >406.4 mm, and iron/nonalloy steel material. Galvanized option available but base steel is nonalloy.
Nonalloy Steel Sluice Gate Pipe 20-inch
Heavy-walled welded pipe, 508 mm OD, for industrial sluice gates in water control systems. Classified in HTS 7305.90.10.00 as other large circular welded tubes of nonalloy steel exceeding 406.4 mm diameter. Built for corrosion resistance in flood control.
Offshore Platform Riser Pipe 36-inch
Extra-thick welded nonalloy steel riser pipe, 914 mm OD, for oil platform marine risers connecting to seabed. HTS 7305.90.10.00 covers its large circular welded design from iron/nonalloy steel. Buoyancy modules attach externally.