Having a wall thickness of 12.7 mm or more but less than 19 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 exceeding 285.8 mm but not exceeding 406.4 mm: > Having a wall thickness of 12.7 mm or more but less than 19 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 7304.59.80.65
SA-335 Grade P11 Seamless Alloy Steel Pipe
This seamless pipe made from chromium-molybdenum alloy steel (SA-335 P11 grade) has a circular cross-section with an outside diameter between 285.8 mm and 406.4 mm and wall thickness of 12.7-19 mm. It falls under HTS 7304.59.80.65 as other seamless tubes/pipes of alloy steel, suitable for high-temperature boiler service. Commonly used in power plants for superheater tubes.
SA-369 Grade FPS Alloy Steel Pipe
Forged and bored seamless pipe (SA-369 FPS) from 5Cr-0.5Mo alloy steel for high-pressure fittings, OD 300-400 mm, wall 15 mm nominal. Classified in 7304.59.80.65 for other alloy seamless tubes/pipes. Used in petrochemical reactor vessels and pressure vessels.
17-4PH Stainless Alloy Seamless Pipe
Precipitation-hardening stainless seamless pipe (17-4PH grade) for aerospace ground support equipment, OD 350 mm, 15 mm wall. HTS 7304.59.80.65 covers other alloy steel seamless tubes including PH stainless. High strength-corrosion resistance balance.
SA-213 T22 Seamless Alloy Boiler Tube
High-temperature seamless tube of 2.25Cr-1Mo alloy steel (SA-213 T22) designed for boiler and superheater service, with OD 11.25-16 inches and wall thickness 0.5-0.75 inches. Classified under 7304.59.80.65 for other seamless alloy steel tubes of circular cross section meeting the specified dimensions. Essential for fossil fuel power generation systems.
API 5LCRA Grade 80 Seamless Line Pipe
Corrosion-resistant alloy seamless pipe (API 5LCRA Gr.80) for sour service oil/gas transport, OD 12-16 inches, wall 0.5-0.75 inches. Meets HTS 7304.59.80.65 as other alloy steel seamless tubes in the specified size range. Designed for H2S environments in petroleum production.
9% Nickel Alloy Steel Seamless Pipe
Cryogenic seamless pipe made from 9%Ni alloy steel for LNG storage/transport, OD 12.5-15.75 inches, 14 mm wall thickness. Falls under HTS 7304.59.80.65 as other alloy steel seamless tubes in specified dimensions. Critical for liquefied gas infrastructure.
SA-106 Grade C with Alloy Addition Pipe
Seamless carbon steel pipe SA-106 Gr.C with controlled alloying elements exceeding de minimis limits, OD 14 inches, 16 mm wall. Classified as alloy steel under 7304.59.80.65 due to alloy content. Used for high-pressure refinery piping.