Other

7307.92.00Threaded elbows, bends and sleeves

7307.93.00Butt welding fittings

7307.99.00Other

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Products classified under Tariff item 7307.9

Alloy Steel Forged Swivel Flange

A swivel flange assembly forged from non-stainless alloy steel, designed to rotate for bolt alignment during shipbuilding pipe installation. Its rough-forged state, with no post-forging machining, places it under tariff item 7307.91.00 as a flange of iron or steel.

Basic Forged Alloy Steel Lap Joint Flange

A forged lap joint flange from non-stainless alloy steel, used with stub ends for easy alignment in low-pressure water systems. Supplied rough-forged with rough edges intact, it is classified under 7307.91.00 as a flange of iron or steel.

Carbon Steel Raised Face Flange

A carbon steel flange with a raised sealing surface for gasket compression in bolted connections. As a standard flange in process industries, it is classified under 7307.91.00 as a flange of iron or steel.

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. It is classified under 7307.91.00 as a flange of iron or steel.

Forged Alloy Steel Socket Weld Flange

A rough-forged socket weld flange of non-stainless alloy steel, designed for inserting pipe ends into recessed sockets before welding. Commonly used in power plant steam lines, it falls under 7307.91.00 as a flange in its unprocessed forged state.

Forged Alloy Steel Weld Neck Flange

A forged alloy steel weld neck flange with a long tapered hub for welding to pipes, used in high-pressure oil and gas pipelines. As it is not machined, tooled, or otherwise processed after forging, it is classified under 7307.91.00.

Forged Carbon Steel Weld Neck Flange

A forged carbon steel weld neck flange designed for welding onto pipe ends in industrial piping systems. Its tapered neck provides reinforcement for high-pressure applications. This flange is supplied in a rough-forged state without subsequent machining, qualifying under tariff item 7307.91.00.

Forged Iron Pipe Spool Flange

A forged iron pipe spool flange used to end pipe spools in prefabricated sections. It is supplied unmachined in a rough-forged state, making it suitable for welding in industrial piping. This product falls under tariff item 7307.91.00 as a flange of iron or steel.

Forged Iron Raised Face Flange Blank

A basic forged blank for raised face flanges, completely unmachined and made of nonalloy steel or iron. It is intended for further machining by the importer to create a finished flange. This raw forging falls under tariff item 7307.91.00 as a flange.

Forged Nonalloy Steel Long Neck Flange

An extended neck forged flange made from nonalloy steel, supplied unmachined for high-stress pipeline connections. It provides reinforcement without a separate welding hub, making it suitable for demanding applications. This product falls under tariff item 7307.91.00.

Forged Nonalloy Steel Socket Weld Flange

A rough-forged flange with a socket for pipe insertion and fillet welding, made from nonalloy steel for moderate pressure systems. It is supplied without further processing after forging. This product falls under tariff item 7307.91.00 as a flange.

Forged Non-Stainless Alloy Steel Raised Face Flange

A rough forged raised face flange of alloy steel for gasket sealing in compressor stations. With no face machining performed, it is classified under 7307.91.00 as a flange of iron or steel, ensuring leak-tight seals under vibration.

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 is classified under 7307.91.00 as a flange of iron or steel, used to connect pipes and valves.

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. It falls under 7307.91.00 as a flange of iron or steel for robust connections in chemical processing.

Heavy Duty Steel Flange

An extra-thick steel flange for extreme load applications in mining equipment and heavy machinery. It falls under 7307.91.00 as a flange of iron or steel for rugged environments.

High-Pressure Steel Flange

A heavy-duty steel flange engineered for extreme pressure ratings in hydraulic systems and compressors. It is classified under tariff item 7307.91.00 as a flange of iron or steel, used to connect pipes, valves, pumps, and other equipment to form a piping system.

Industrial Steel Spectacle Blind Flange

An industrial steel spectacle blind flange, shaped like a figure-8, used for positive isolation during maintenance by combining a blind and a spacer function. It falls under tariff item 7307.91.00 as a flange of iron or steel, essential for safe pipeline servicing.

Lap Joint Steel Flange

A lap joint steel flange system with a stub end, designed for easy alignment and rotation in alloy pipe systems, facilitating frequent disassembly. It is classified under tariff item 7307.91.00 as a flange of iron or steel, ideal for applications requiring maintenance access.

Long Neck Steel Flange

A long neck steel flange with an extended neck to reduce stress in high-temperature pipelines, commonly used in petrochemical processing. It is classified under tariff item 7307.91.00 as a flange of iron or steel, providing structural reinforcement at pipe connections.

Orifice Steel Flange

An orifice steel flange with integrated restriction for flow measurement in metering stations, used in oil and gas applications. It falls under tariff item 7307.91.00 as a flange of iron or steel, featuring precision-engineered bores for accurate flow control.

Plate Steel Flange

A plate steel flange, cost-effectively cut and machined from steel plate stock, suitable for non-critical low-pressure services. It is classified under tariff item 7307.91.00 as a flange of iron or steel, providing a simple and economical connection for general utility piping.

Rough Alloy Steel Orifice Flange Pair

A pair of forged alloy steel flanges designed for mounting flow meters between them, used in metering stations for natural gas. Supplied rough-forged without machining, they fall under 7307.91.00 as flanges of iron or steel.

Rough Forged Alloy Steel Reducing Flange

A reducing flange forged from alloy steel (except stainless) to connect differing pipe sizes in HVAC industrial ducts. In its unprocessed forging condition, it is classified under 7307.91.00 as a flange of iron or steel, simplifying transitions without reducers.

Rough Forged Alloy Steel Slip-On Flange

A basic slip-on flange forged from non-stainless alloy steel, designed to slide over pipe ends before welding. Ideal for moderate-pressure chemical processing lines, it remains in a rough-forged state and is classified under 7307.91.00.

Rough Forged Nonalloy Steel Spectacle Blind Flange

A figure-8 forged flange for alternating flow and blind positions, made from nonalloy steel and supplied unmachined. It is used in process plants for maintenance and isolation. This product falls under tariff item 7307.91.00.

Rough Forged Steel Slip-On Flange

An unprocessed forged flange of nonalloy steel that slips over pipe ends for welding, used in low-pressure applications like water systems. It is supplied in a rough state without machining. This product falls under tariff item 7307.91.00.

Rough Forged Steel Threaded Flange

A forged nonalloy steel flange intended for threaded pipe connections, supplied in an unmachined state after forging. It is used in plumbing and light industrial setups. This product falls under tariff item 7307.91.00.

Rough Iron Orifice Flange

A forged iron flange pair for flow measurement with an orifice plate, supplied rough after forging. It is used in oil and gas metering applications. This product falls under tariff item 7307.91.00.

Rough Nonalloy Steel Expansion Flange

A forged expansion joint flange for thermal movement, made from nonalloy steel in a rough state. It is used in industrial HVAC systems. This product falls under tariff item 7307.91.00.

Steel Blind Flange

A steel blind flange, a solid disc used to seal the end of a pipe system, preventing flow and allowing for future expansion. It is classified under tariff item 7307.91.00 as a flange of iron or steel, essential for pressure testing and maintenance.

Steel Flange for Heat Exchangers

A custom steel flange designed for shell-and-tube heat exchanger connections, with precise tolerances to ensure a secure fit. It is classified under tariff item 7307.91.00 as a flange of iron or steel, critical for heat transfer equipment.

Steel Reducing Flange

A steel reducing flange that connects pipes of different diameters, maintaining pressure integrity at transition points. It is classified under tariff item 7307.91.00 as a flange of iron or steel, enabling size adaptation in piping systems.

Threaded Steel Flange Adapter

A threaded steel flange adapter that combines threaded and flanged connections for transitioning pipe types in HVAC systems. It is classified under tariff item 7307.91.00 as a flange of iron or steel, facilitating mixed connection systems.

Unmachined Alloy Steel Long Weld Neck Flange

A long weld neck flange forged from non-stainless alloy steel for extreme high-pressure sour gas service. With no post-forging work done and the rough neck intact, it is classified under 7307.91.00, with the extended hub reducing stress concentrations.

Unmachined Forged Iron Blind Flange

A solid forged disc of iron or nonalloy steel used to cap pipe ends, in rough forged condition without machining. It is ideal for temporary closures in construction. This product falls under tariff item 7307.91.00.

Unmachined Forged Steel Swivel Flange

A rotatable forged flange ring of nonalloy steel, rough for swivel alignment in pipeline use. It is supplied unmachined. This product falls under tariff item 7307.91.00.

Unmachined Steel Reducing Flange

A forged nonalloy steel flange that connects differing pipe sizes, supplied in a rough forged condition. It is essential for transitions in ductwork. This product falls under tariff item 7307.91.00.

Unprocessed Alloy Steel Blind Flange

A forged blind flange from alloy steel (excluding stainless), used to seal pipe ends in pressure vessel systems for refineries. Supplied rough-forged without machining or tooling, it is classified under 7307.91.00 as a flange of iron or steel.

Unprocessed Iron Lap Joint Flange

A forged flange of iron or nonalloy steel with a lap extension for stub-end joints, in a rough condition post-forging. It facilitates easy alignment in piping. This product falls under tariff item 7307.91.00.

Unprocessed Steel Paddle Flange

A forged paddle or spacer flange of nonalloy steel for spacer duties in piping, supplied in a rough state. It is common in maintenance applications. This product falls under tariff item 7307.91.00.

1 Inch Galvanized Iron Threaded Pipe Coupler

A 1-inch diameter galvanized iron threaded sleeve coupler for residential water lines. The zinc coating ensures longevity in damp environments, and the iron base material qualifies it as a threaded sleeve fitting under tariff item 7307.92.00.

4140 Alloy Steel High-Pressure Coupling Sleeve 3-inch

A heavy-duty threaded sleeve from 4140 chrome-moly alloy steel for 3-inch high-pressure hydraulic lines in mining equipment. The alloy steel construction provides superior tensile strength, qualifying it as a threaded sleeve under tariff item 7307.92.00.

A105 Alloy Steel Threaded Sleeve Adapter 1-1/2 inch

A threaded sleeve coupling forged from ASTM A105 carbon-alloy steel, connecting 1-1/2 inch pipes in oil and gas pipelines. The alloy steel construction provides strength and durability, qualifying it as a threaded sleeve under tariff item 7307.92.00.

A182 F11 Class 2 Alloy Elbow-Sleeve 1-1/4 inch

A short-radius alloy F11 threaded combination elbow-sleeve for compact turns in piping systems. The primary function is as a sleeve fitting, and the alloy steel construction qualifies it under tariff item 7307.92.00, though the angularity may require verification.

A694 F52 High-Yield Alloy Coupling 8-inch

A high-strength A694 F52 alloy steel threaded sleeve for offshore platform risers. The high-yield alloy steel construction provides durability in demanding environments, qualifying it as a threaded sleeve under tariff item 7307.92.00.

Alloy Steel Swage Nipple Sleeve 2-1/2 inch Long

A forged alloy steel threaded swage sleeve with tapered ends for pressure piping transitions. The primary function is as a coupling, and the alloy steel construction qualifies it as a threaded sleeve under tariff item 7307.92.00.

ASTM A105 Forged Steel Threaded Sleeve

A forged carbon steel sleeve with precision NPT threads, designed for high-temperature steam lines. Its forged construction provides strength without welds, making it a reliable threaded sleeve fitting for tube or pipe connections.

ASTM A197 Carbon Steel Sleeve Coupling

A threaded sleeve coupling meeting ASTM A197 standards for malleable iron fittings, used in fire sprinkler systems. The malleable iron construction provides corrosion resistance and reliability, qualifying it as a threaded sleeve under tariff item 7307.92.00.

ASTM A350 LF2 Alloy Steel Sleeve Union 1-inch

A threaded sleeve union made from ASTM A350 LF2 nickel-alloy steel, designed for low-temperature and cryogenic piping systems. Its impact toughness at sub-zero temperatures makes it suitable for demanding service conditions, and it is classified under this tariff item as a threaded elbow, bend or sleeve of alloy steel.

Black Iron Threaded Return Bend

A 180-degree return bend made of black iron, used for U-turn pipe routing in boilers. It is heat-resistant and suitable for steam systems, and it is classified under this tariff item as a threaded bend of iron or steel.

Black Malleable Iron Pipe Coupling Sleeve

A threaded sleeve coupling forged from malleable iron with a black oxide finish, designed for gas piping. The black oxide coating provides corrosion resistance, and the malleable iron base material qualifies it as a threaded sleeve fitting under tariff item 7307.92.00.

Black Malleable Iron Threaded Sleeve Coupling

A malleable iron threaded sleeve coupling with a black oxide finish, used for joining pipes in fire sprinkler or steam systems. Its ductility allows for easy installation and secure connections in various piping applications.

Brass-Plated Steel Threaded Pipe Coupler Sleeve

A steel sleeve with brass plating and female NPT threads on both ends, designed for corrosion-prone water lines. Despite the plating, the base material is steel, so it qualifies as a threaded sleeve fitting of iron or steel under tariff item 7307.92.00.

Carbon Steel NPT Threaded Coupling Sleeve

A carbon steel threaded sleeve coupling with NPT ends, designed for connecting black iron pipes in gas or water lines. It provides a secure, leak-proof joint for low-pressure piping systems.

Carbon Steel Threaded Pipe Bend 45 Degree

A 45-degree threaded pipe bend made of carbon steel, with female NPT threads on both ends. It is designed for directional changes in low-pressure piping systems like HVAC or irrigation, and it is classified under this tariff item as a threaded bend of iron or steel.

Chrome-Moly P11 Alloy Steel Threaded Coupling 6-inch

A threaded coupling made from P11 grade chrome-moly alloy steel, used in high-temperature power plant steam lines rated up to 600 PSI. The 1.25% chromium content provides elevated temperature strength, and it falls under this tariff item as a threaded sleeve of non-stainless alloy steel.

Close Tolerance Threaded Steel Pipe Sleeve

A precision-machined steel sleeve with close tolerance threads, designed for vibration-resistant couplings in machinery. Its tight tolerances ensure a secure fit in automotive and equipment assembly applications.

Forged Alloy Steel Pipe Coupling 2-inch NPT

A forged alloy steel pipe coupling with 2-inch NPT threads, made from low-alloy steel such as AISI 4140. It joins two threaded pipes end-to-end and is classified under this tariff item as a threaded sleeve of non-stainless alloy steel.

Galvanized Steel Pipe Sleeve Coupling

A threaded sleeve coupling made of nonalloy steel with a galvanized coating, used to join two plain-end steel pipes in plumbing systems. The galvanized coating provides corrosion protection, and the steel base material qualifies it as a threaded sleeve under tariff item 7307.92.00.