Having a wall thickness less than 6.4 mm
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Other, of circular cross section, of other alloy steel: > Other: > Other: > Other: > Other > Having an outside diameter of 38.1 mm or more but not exceeding 114.3 mm: > Having a wall thickness less than 6.4 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 7304.59.80.15
55mm OD Alloy Steel Roll Cage Tubing
55 mm OD seamless DOM alloy steel tubing for racing roll cages, 3.2 mm wall. HTS 7304.59.80.15 circular seamless. NHRA certified.
65mm OD Heat Exchanger Alloy Tube
65 mm OD seamless alloy steel U-tube for shell-and-tube heat exchangers, 5 mm wall. Under HTS 7304.59.80.15 as other alloy seamless tube. Enhanced thermal conductivity.
80mm OD Structural Alloy Seamless Tube
80 mm OD seamless alloy steel tube, 4.8 mm wall for architectural frameworks. HTS 7304.59.80.15 for specified seamless alloy tube. Aesthetic finish available.
100mm OD Alloy Steel Condenser Tube
100 mm OD seamless alloy tube for condenser applications, 5.5 mm wall thickness. Classified HTS 7304.59.80.15 dimensions. Corrosion resistant for cooling systems.
45mm OD Chromoly Bicycle Frame Tube
45 mm OD 4130 chromoly seamless tube for premium bicycle down tubes, 3.8 mm wall. HTS 7304.59.80.15 seamless alloy specs. Butted walls available.
70mm OD Alloy Steel Shock Absorber Tube
70 mm OD seamless alloy steel tube for automotive shock absorber bodies, 4 mm wall. Under HTS 7304.59.80.15 size/material. Hard chrome plated option.
42mm OD Alloy Steel Seamless Tube
A seamless tube of alloy steel with a 42 mm outside diameter and wall thickness under 6.4 mm, designed for hydraulic systems in machinery. It falls under HTS 7304.59.80.15 due to its circular cross-section, seamless construction from alloy steel, and specified dimensions. Commonly used in high-pressure fluid transfer applications.
60mm OD 4130 Alloy Seamless Pipe
Seamless pipe made from 4130 chromoly alloy steel, 60 mm OD, wall thickness 4 mm, ideal for structural components in automotive chassis. Classified under HTS 7304.59.80.15 for its alloy steel material, circular seamless profile, and dimension specs. Provides high strength-to-weight ratio for performance applications.
88.9mm OD Alloy Steel Boiler Tube
Seamless alloy steel tube, 88.9 mm OD with 5 mm wall, engineered for superheater sections in industrial boilers. Meets HTS 7304.59.80.15 criteria as other alloy steel, circular seamless, within 38.1-114.3 mm OD and thin wall. Withstands high temperatures and pressures.
50.8mm OD Chromoly Seamless Hypodermic Tubing
High-precision 50.8 mm OD chromoly alloy seamless tubing with 3.5 mm wall for medical device shafts. Falls under HTS 7304.59.80.15 for seamless alloy steel tubes of specified size. Offers corrosion resistance and precision tolerances.
101.6mm OD Alloy Steel Hydraulic Cylinder Tube
Seamless alloy steel tube 101.6 mm OD, 5.8 mm wall thickness for hydraulic cylinder barrels in heavy equipment. HTS 7304.59.80.15 applies to its circular seamless alloy construction within size limits. Precision honed interior for piston sealing.
76.2mm OD 4140 Alloy Seamless Drill Pipe Sleeve
4140 alloy steel seamless sleeve tubing 76.2 mm OD, 4.5 mm wall for oilfield drill pipe protection. Classified HTS 7304.59.80.15 for other alloy seamless tubes in size range. High fatigue resistance for downhole use.
114.3mm OD Alloy Steel Pressure Tubing
Maximum size seamless alloy steel pressure tubing at 114.3 mm OD with 6 mm wall for pneumatic systems. HTS 7304.59.80.15 covers this circular profile, thin-wall alloy tube. Rated for high-pressure air/gas lines.
38.1mm OD Nickel Alloy Seamless Tube
Minimum OD 38.1 mm seamless tube of nickel-chromium-molybdenum alloy steel, 3 mm wall for aerospace ducts. Fits HTS 7304.59.80.15 as other alloy steel seamless tube. Extreme corrosion and heat resistance.
92mm OD Alloy Steel Instrument Tubing
Seamless 92 mm OD alloy steel tubing with 4.2 mm wall for precision instrumentation housings. HTS 7304.59.80.15 for circular seamless alloy dimensions. Tight tolerances for sensor protection.