Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: > Other, of circular cross section, of stainless steel: > Cold-drawn or cold-rolled (cold-reduced): > Other > Other: > Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters
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
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Products classified under HTS 7304.41.60.15
Cold-Drawn 316L Stainless Steel Boiler Tube
Seamless cold-drawn tube made from 316L stainless steel, designed specifically for high-pressure steam boilers in industrial applications. Its circular cross-section and precise tolerances ensure resistance to corrosion and thermal stress in boiler environments. Classified under 7304.41.60.15 due to its suitability for use in boilers as a seamless stainless steel tube.
Cold-Rolled TP304 Stainless Steel Superheater Tube
Seamless cold-rolled tube of TP304 stainless steel optimized for superheaters in power generation plants, enduring extreme temperatures and pressures. The cold-reduced process provides smooth finish and tight tolerances ideal for superheater coils. Falls under 7304.41.60.15 for its designated use in superheaters as cold-formed seamless stainless steel.
ASTM A249 TP316Ti Boiler Feedwater Heater Tube
Cold-rolled seamless tube per ASTM A249 in TP316Ti stabilized stainless steel for feedwater heaters, resisting intergranular corrosion in high-temperature water systems. Circular profile suitable for cold-forming as defined in chapter wire note. 7304.41.60.15 applies for feedwater heater use in cold-reduced stainless category.
Incoloy 800H Cold-Drawn Superheater Tube
Cold-drawn seamless Incoloy 800H tube (UNS N08811) for high-temperature superheaters in fossil fuel plants, solution-annealed for creep resistance. Though nickel alloy, classified as stainless steel per tariff definitions. 7304.41.60.15 for superheater application.
Cold-Reduced 304H Stainless Refinery Furnace Tube
High-carbon 304H stainless cold-reduced tube for convection sections in oil refinery furnaces, designed for 800-1100°C service. Seamless construction prevents leakage in high-pressure gas streams. HTS 7304.41.60.15 covers refining furnace applications.
TP347HFG Cold-Rolled Boiler Tube
Advanced TP347HFG stainless seamless cold-rolled tube for thick-walled water wall panels in ultra-supercritical boilers. FG grade indicates forged grain structure for superior creep strength. Classified under 7304.41.60.15 for boiler service.
Seamless 310S Stainless Steel Heat Exchanger Tube
Cold-drawn seamless tube in 310S stainless steel grade, engineered for heat exchanger service in chemical processing plants with excellent oxidation resistance. Circular cross-section under 16mm wall allows cold forming per chapter definition. Classified in 7304.41.60.15 for use in heat exchangers as cold-reduced stainless steel tubing.
Cold-Reduced 321 Stainless Steel Condenser Tube
Seamless cold-reduced 321 stainless steel tube for condenser applications in power plants, featuring stabilized alloy for weldability and corrosion resistance in moist environments. Meets dimensional specs for cold-formed wire-like products under chapter notes. Under 7304.41.60.15 due to condenser suitability as cold-drawn stainless tube.
Cold-Drawn 17-4PH Stainless Refining Furnace Tube
Precipitation-hardened 17-4PH stainless seamless tube, cold-drawn for petrochemical refining furnace transfer lines enduring hydrogen attack. Provides strength at elevated temperatures up to 700°C. Classified 7304.41.60.15 for refining furnace suitability as cold-formed stainless tube.
Duplex 2205 Cold-Rolled Heat Exchanger U-Tube
Cold-rolled seamless duplex 2205 stainless U-tube for shell-and-tube heat exchangers in offshore platforms, offering superior pitting resistance. U-bend formed post cold-reduction maintains seamless integrity. 7304.41.60.15 for heat exchanger use in cold stainless tubes.