Other
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Other: > Flanges: > Other
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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Subheadings
Products classified under HTS 7307.91.50
Forged Steel Weld Neck Flange
A forged carbon steel flange designed with a tapered hub and welded neck for high-pressure piping systems in industrial applications. It falls under HTS 7307.91.50 as a steel flange not specified elsewhere, used to connect pipes securely in refineries and power plants.
Carbon Steel Slip-On Flange
A slip-on carbon steel flange that slides over the pipe end and is welded in place, commonly used in low-pressure applications like water systems. Classified under HTS 7307.91.50 as an 'other' iron or steel flange for general piping connections.
Steel Blind Flange
A solid steel disc used to seal the end of a pipe system, preventing flow and allowing for future expansion. It is categorized under HTS 7307.91.50 as an 'other' flange of iron or steel, essential for pressure testing and maintenance.
Galvanized Steel Socket Weld Flange
A galvanized socket weld flange for corrosion resistance in outdoor piping, where the pipe is inserted into a socket and fillet welded. Falls under HTS 7307.91.50 as an other steel flange for robust connections in chemical plants.
Plate Steel Flange
A cost-effective flange cut and machined from steel plate stock, suitable for non-critical low-pressure services. It is included under HTS 7307.91.50 as an other iron or steel flange for general utility piping.
Lap Joint Steel Flange
A two-piece steel flange system with a stub end for easy alignment and rotation in alloy pipe systems. Classified under HTS 7307.91.50 as an other flange ideal for frequent disassembly.
Steel Reducing Flange
A steel flange that connects pipes of different diameters, maintaining pressure integrity in transition points. It is covered by HTS 7307.91.50 as an other iron or steel flange for size adaptation.
Carbon Steel Raised Face Flange
A carbon steel flange with a raised sealing surface for gasket compression in bolted connections. Classified under HTS 7307.91.50 as an other steel flange standard in process industries.
Steel Flange for Heat Exchangers
Custom steel flange designed for shell-and-tube heat exchanger connections, with precise tolerances. It is included in HTS 7307.91.50 as an other iron or steel flange for heat transfer equipment.
Industrial Steel Spectacle Blind Flange
A figure-8 steel spectacle blind flange for positive isolation during maintenance, combining blind and spacer functions. Categorized under HTS 7307.91.50 as an other specialized steel flange.
Heavy Duty Steel Flange
Extra-thick steel flange for extreme load applications in mining equipment and heavy machinery. Falls under HTS 7307.91.50 as an other robust iron or steel flange for rugged environments.
Long Neck Steel Flange
A steel flange with an extended neck for reduced stress in high-temperature pipelines, used in petrochemical processing. Classified in HTS 7307.91.50 as an other flange of iron or steel for specialized industrial fittings.
Threaded Steel Flange Adapter
A steel adapter flange combining threaded and flanged connections for transitioning pipe types in HVAC systems. Categorized under HTS 7307.91.50 as an other flange facilitating mixed connection systems.
Orifice Steel Flange
A specialized steel flange with integrated restriction for flow measurement in metering stations, used in oil and gas. Falls under HTS 7307.91.50 as an other steel flange with precision-engineered bores.
High-Pressure Steel Flange
A heavy-duty steel flange rated for extreme pressures in hydraulic systems and compressors. Falls under HTS 7307.91.50 as an other flange engineered for severe service conditions.