Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Other, of circular cross section, of iron or nonalloy steel: > Other > Other: > Other: > Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm: > Having a wall thickness of 6.4 mm or more but not exceeding 12.7 mm
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 7304.39.00.28
Seamless Carbon Steel Boiler Tube OD 50mm WT 8mm
A seamless tube made from nonalloy steel with a circular cross section, outside diameter of 50 mm, and wall thickness of 8 mm, suitable for high-pressure boiler applications. It falls under HTS 7304.39.0028 due to its seamless construction, iron/nonalloy steel material, OD between 38.1-114.3 mm, and wall thickness of 6.4-12.7 mm. These tubes are precision-engineered for heat exchangers and pressure vessels.
Nonalloy Steel Hydraulic Cylinder Tube OD 75mm WT 10mm
Seamless hydraulic cylinder tube of nonalloy steel, featuring 75 mm OD and 10 mm wall thickness, honed interior for piston rod use in heavy machinery. Classified in 7304.39.0028 for its seamless iron/nonalloy steel build, circular profile within specified OD 38.1-114.3 mm, and thick walls 6.4-12.7 mm. Ideal for construction equipment and industrial cylinders.
Seamless Steel Pressure Piping Tube OD 100mm WT 7mm
Heavy-walled seamless tube for high-pressure gas and fluid transfer lines, nonalloy steel with 100 mm OD and 7 mm wall thickness. Meets HTS 7304.39.0028 criteria: seamless, circular cross-section of iron/nonalloy steel, OD 38.1-114.3 mm, walls 6.4-12.7 mm. Used in petrochemical plants and power generation.
Carbon Steel Heat Exchanger Tube OD 60mm WT 9mm
Seamless carbon steel U-bend capable tube for shell-and-tube heat exchangers, OD 60 mm, wall 9 mm thick. Fits 7304.39.0028 as a nonalloy seamless tube with circular section, OD 38.1-114.3 mm, and appropriate wall thickness. Critical for HVAC and industrial cooling systems.
Nonalloy Steel Mechanical Struct Tube OD 90mm WT 12mm
Heavy-duty seamless mechanical tubing for structural frameworks in machinery, nonalloy steel, 90 mm OD, 12 mm wall. Classified under HTS 7304.39.0028 for seamless iron/nonalloy steel pipes with specified dimensions. Provides high strength-to-weight for off-road vehicles and frames.
Seamless Steel Pneumatic Cylinder Barrel OD 80mm WT 8mm
Precision seamless barrel for pneumatic actuators, nonalloy steel with 80 mm OD and 8 mm walls, internally machined. HTS 7304.39.0028 applies to its seamless circular nonalloy steel construction within dimension limits. Used in automation and robotics.
Heavy Wall Steel Drill Rod Tube OD 110mm WT 11mm
Seamless nonalloy steel tube for drill rod extensions in mining equipment, 110 mm OD, 11 mm thick walls. Fits 7304.39.0028: seamless iron/nonalloy, circular, OD 38.1-114.3 mm, walls 6.4-12.7 mm. High fatigue resistance for rotary drilling.
Carbon Steel Instrumentation Tube OD 40mm WT 6.5mm
Seamless tube for instrumentation sleeves and sensor housings, carbon steel 40 mm OD, 6.5 mm wall thickness. Under HTS 7304.39.0028 for nonalloy seamless tubes meeting exact dimension specs. Corrosion-resistant coating optional for harsh environments.