Having an outside diameter of 38.1 mm or more but not exceeding 114.3 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: > Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters > Other: > Having an outside diameter of 38.1 mm or more but not exceeding 114.3 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 7304.59.20.45
Alloy Steel Boiler Tube 50mm OD
Seamless tube made from alloy steel, with an outside diameter of 50 mm, designed specifically for use in high-pressure boilers. It meets the criteria for tubes suitable for boilers due to its seamless construction and material properties that withstand extreme temperatures and pressures. The OD falls within 38.1 mm to 114.3 mm as specified in HTS 7304.59.20.45.
Condenser Seamless Alloy Tube 60mm OD
Precision seamless tube from alloy steel, 60 mm outside diameter, intended for condensers in power and industrial plants. Its design supports efficient heat transfer in condensing applications, aligning with HTS 7304.59.20.45 specifications for size and end use.
T11 Alloy Boiler Tube 80mm OD
SA213 T11 grade seamless alloy steel tube, 80 mm OD, standard for boiler and superheater service. Its 1.25% chromium content enhances creep resistance, qualifying under HTS 7304.59.20.45 for boiler use and diameter specs.
T9 Seamless Superheater Pipe 45mm OD
T9 grade (9% chromium) seamless alloy tube, 45 mm OD, for superheaters in fossil fuel plants. Its high creep strength suits HTS 7304.59.20.45 parameters for superheaters and diameter.
Seamless Alloy Heat Exchanger Tube 76mm OD
High-performance seamless tube of alloy steel, 76 mm outside diameter, engineered for heat exchangers in industrial applications. Its alloy composition provides corrosion resistance and strength under thermal stress, qualifying it for HTS 7304.59.20.45 due to size and specified end uses like heat exchangers.
Superheater Alloy Steel Tube 100mm OD
Seamless alloy steel tube with 100 mm OD, optimized for superheaters in steam generators. It endures high temperatures and pressures, fitting HTS 7304.59.20.45 for its circular cross-section, alloy steel material, and superheater suitability within the 38.1-114.3 mm range.
Refining Furnace Alloy Tube 90mm OD
Seamless alloy steel tube, 90 mm OD, built for refining furnaces to handle corrosive gases and high heat. Classified under HTS 7304.59.20.45 for its suitability in refining furnaces, circular seamless profile, and diameter range.
Feedwater Heater Steel Tube 42mm OD
Alloy steel seamless tube with 42 mm outside diameter, designed for feedwater heaters in boiler systems. It provides durability against water corrosion and pressure, fitting HTS 7304.59.20.45 for the specified applications and size.
P22 Grade Heat Exchanger Tube 110mm OD
Seamless P22 alloy steel tube (2.25Cr-1Mo), 110 mm OD, for high-temperature heat exchangers in refineries. Meets criteria for HTS 7304.59.20.45 with its size, seamless form, and refining/heat exchanger suitability.
Alloy Condenser Tube Set 70mm OD
Bundled seamless alloy steel tubes, each 70 mm OD, for condenser assemblies in turbines. Sold as a set for easy integration, but classified individually under HTS 7304.59.20.45 for condenser use and size.