Having a wall thickness less than 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 exceeding 114.3 mm but less than 190.5 mm: > Having a wall thickness less than 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 7304.39.00.36
Seamless Steel Boiler Tube OD 152mm WT 10mm
A seamless tube of nonalloy steel with circular cross section, outside diameter 152 mm, and wall thickness 10 mm, used in high-pressure boiler systems. It falls under HTS 7304.39.0036 due to its seamless construction, iron/nonalloy steel material, OD between 114.3-190.5 mm, and wall thickness under 12.7 mm. Designed for heat exchange in industrial boilers.
Nonalloy Steel Hydraulic Cylinder Tube OD 165mm WT 8mm
Precision seamless tube for hydraulic cylinders, made from nonalloy steel, OD 165 mm, wall thickness 8 mm, with smooth interior finish for piston operation. Classified under HTS 7304.39.0036 for its seamless iron/nonalloy steel construction, circular profile, OD 114.3-190.5 mm, and thin wall. Used in heavy machinery cylinders.
Seamless Steel Structural Pipe OD 140mm WT 11mm
Seamless nonalloy steel pipe for structural applications like columns and supports, OD 140 mm, wall thickness 11 mm. Meets HTS 7304.39.0036 criteria: seamless, circular cross section, iron/nonalloy steel, OD exceeding 114.3 mm but under 190.5 mm, wall less than 12.7 mm. Suitable for construction frameworks.
Carbon Steel Heat Exchanger Tube OD 168mm WT 9mm
Seamless carbon steel tube designed for heat exchangers in petrochemical plants, OD 168 mm (6-inch nominal), wall thickness 9 mm. Fits HTS 7304.39.0036 as seamless nonalloy steel tube with circular cross section, specified OD range, and thin wall. Enhanced for corrosion resistance in heat transfer applications.
Seamless Steel Pneumatic Cylinder Barrel OD 125mm WT 7mm
Honed seamless steel barrel for pneumatic cylinders in automation equipment, OD 125 mm, wall thickness 7 mm, nonalloy steel construction. Classified in HTS 7304.39.0036 for seamless circular tubes of iron/nonalloy steel in the 114.3-190.5 mm OD range with wall under 12.7 mm. Precision ID finish for seal performance.
Nonalloy Steel Mechanical Tubing OD 177mm WT 10.5mm
Seamless mechanical tubing for shafts and structural components in heavy equipment, OD 177 mm, wall thickness 10.5 mm, made from nonalloy steel. Meets all criteria for HTS 7304.39.0036: seamless, circular, iron/nonalloy steel, proper OD range, thin wall. High yield strength for load-bearing applications.
Seamless Carbon Steel Pressure Piping OD 155mm WT 9.5mm
Seamless carbon steel pipe rated for high-pressure steam service, OD 155 mm, wall thickness 9.5 mm. Classified under HTS 7304.39.0036 as other seamless tubes of nonalloy steel with circular cross section in specified OD/wall thickness dimensions. Complies with ASME B31.1 power piping standards.
Steel Instrument Tubing OD 130mm WT 6mm
Seamless nonalloy steel tubing for instrumentation and control lines in process plants, OD 130 mm, wall thickness 6 mm. Falls under HTS 7304.39.0036 specifications for seamless circular tubes of iron/nonalloy steel, OD 114.3-190.5 mm, wall <12.7 mm. Tight tolerances for pressure and vibration resistance.
Seamless Steel Condenser Tube OD 184mm WT 11mm
Large diameter seamless tube for steam surface condensers in power plants, OD 184 mm, wall thickness 11 mm, nonalloy steel. Precisely matches HTS 7304.39.0036: seamless iron/nonalloy steel tube, circular section, OD under 190.5 mm, thin wall. Optimized for thermal conductivity and erosion resistance.
Heavy Wall Seamless Steel Pipe OD 120mm WT 5mm
Seamless pipe for mechanical and structural applications requiring impact resistance, OD 120 mm (just over 114.3 mm threshold), wall thickness 5 mm, nonalloy steel. Classified HTS 7304.39.0036 for other seamless tubes meeting exact dimensional and material criteria. High toughness grade for offshore structures.