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 of 190.5 mm or more but not exceeding 285.8 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 7304.59.80.50
SA-335 Grade P11 Seamless Alloy Steel Pipe
This seamless pipe made from chromium-molybdenum alloy steel (SA-335 P11 grade) has an outside diameter of 250 mm and wall thickness of 15 mm, designed for high-temperature and high-pressure applications. It falls under HTS 7304.59.80.50 due to its circular cross-section, alloy steel composition, seamless construction, and specified dimensions exceeding 190.5 mm OD with 12.7-19 mm wall thickness.
API 5L X65 Seamless Alloy Line Pipe
Heavy-walled seamless pipe conforming to API 5L X65 specifications, with 220 mm OD and 14 mm wall thickness, used for oil and gas transmission. Classified under HTS 7304.59.80.50 for its seamless alloy steel construction, circular profile, and precise OD/wall dimensions in the specified range.
ASTM A691 1-1/4Cr Seamless Pipe
Seamless alloy steel pipe per ASTM A691 with 1.25% chromium content, 260 mm OD, and 16 mm wall thickness for elevated-temperature service. It matches HTS 7304.59.80.50 exactly as other seamless alloy steel tubes/pipes with circular cross-section in the defined size parameters.
SA-213 TP304H Seamless Alloy Boiler Tube
High-temperature seamless tube of 304H austenitic alloy steel, 200 mm OD with 13.5 mm wall, for superheater applications. Falls under HTS 7304.59.80.50 as 'other' seamless alloy steel pipes/tubes meeting the circular, size-specific criteria.
9% Nickel Alloy Steel Seamless Pipe
Seamless pipe of 9% nickel alloy steel for LNG cryogenic service, 240 mm OD and 17 mm wall thickness. Precisely classified in HTS 7304.59.80.50 for its other alloy steel seamless form, circular section, and heavy wall within 190.5-285.8 mm OD range.
Grade F22 Chromium-Moly Seamless Pipe
ASTM A335 P22 (F22) grade seamless pipe with 2.25% chromium and 1% molybdenum, 270 mm OD, 14.5 mm wall for refinery hydrocrackers. HTS 7304.59.80.50 applies to this other alloy steel seamless product matching all dimensional and form criteria.
17-4 PH Stainless Alloy Seamless Tube
Precipitation-hardening 17-4 PH stainless alloy seamless tube, 210 mm OD with 15.2 mm wall for aerospace hydraulic lines. Classified under HTS 7304.59.80.50 as seamless circular alloy steel tube in the specified heavy-wall, large-diameter range.
Incoloy 825 Seamless Pressure Pipe
Incoloy 825 nickel-iron-chromium alloy seamless pipe, 280 mm OD and 18 mm wall for chemical processing. Meets HTS 7304.59.80.50 for other alloy steel seamless pipes/tubes with matching dimensions.
Hastelloy C-276 Seamless Alloy Pipe
Hastelloy C-276 corrosion-resistant alloy seamless pipe, 195 mm OD, 13 mm wall for sour gas service. HTS 7304.59.80.50 covers this seamless circular alloy steel product.
AL-6XN Austenitic Alloy Seamless Tube
AL-6XN super-austenitic stainless seamless tube, 255 mm OD, 16.5 mm wall for desalination plants. Fits HTS 7304.59.80.50 specifications perfectly.
Duplex 2205 Seamless Alloy Pipe
Duplex 2205 (S31803) stainless alloy seamless pipe, 230 mm OD, 14.8 mm wall for offshore platforms. Classified in HTS 7304.59.80.50.
EN 10216-2 13CrMo 4-5 Seamless Pipe
European standard EN 10216-2 13CrMo4-5 seamless alloy pipe, 245 mm OD, 15.8 mm wall for power boilers.
T91 Grade Seamless Alloy Steel Pipe
ASME SA335 T91 high-strength alloy pipe, 275 mm OD, 17.2 mm wall for advanced supercritical boilers.
5Cr-0.5Mo Seamless Alloy Pipe
5% Chromium-0.5% Molybdenum seamless pipe, 205 mm OD, 12.9 mm wall for heat exchangers.
1.25% Chromium Alloy Seamless Tube
1.25Cr alloy seamless tube, 265 mm OD, 18.5 mm wall for pressure vessels.