Butt welding fittings
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. > Other: > Butt welding fittings
Duty Rate (from China)
Subheadings
Products classified under Tariff item 7307.93
24-Inch Carbon Steel Reducing Elbow
A reducing 90-degree elbow transitioning from 24-inch to 18-inch diameter, carbon steel construction for butt welding with minimum ID of 360 mm. This large fitting is classified under tariff item 7307.93.00 as a butt welding fitting of iron or steel.
7307.93.0036-Inch Steel Butt Weld Cross Fitting
A four-way cross fitting of carbon steel for butt welding, 914 mm inside diameter for massive water distribution mains. This cross is classified under tariff item 7307.93.00 as a butt welding fitting of iron or steel, used in municipal water systems.
7307.93.00Alloy Steel Butt Weld Cap 10 Inch
An end cap fitting for butt welding, made of non-stainless alloy steel with an inside diameter of 250 mm, to seal pipe ends. It is classified as an alloy steel butt welding fitting under 360 mm inside diameter, standard in construction and maintenance.
7307.93.00Alloy Steel Butt Weld Cross 3 Inch
A four-way cross fitting of alloy steel (except stainless), with an inside diameter of 75 mm, designed for butt welding in multi-branch piping. It is classified as an alloy steel butt welding fitting under 360 mm inside diameter.
7307.93.00Alloy Steel Butt Weld Elbow 4 Inch
A 90-degree elbow fitting made from alloy steel (non-stainless) with an inside diameter of 100 mm, designed for butt welding to connect pipes at angles. This fitting is classified under tariff item 7307.93.00 as a butt welding fitting of iron or steel, used in piping systems for directional changes.
7307.93.00Alloy Steel Butt Weld Equal Tee 2 Inch
An equal branch tee fitting from non-stainless alloy steel, 50 mm ID all ends, butt weld type. This tee is used in instrumentation and small bore piping to split flow equally, and is classified under tariff item 7307.93.00 as a butt welding fitting.
7307.93.00Alloy Steel Butt Weld Lateral 5 Inch
A 45-degree lateral fitting of alloy steel (non-stainless), 125 mm ID, for angled branching in butt weld systems. This lateral is used in water treatment and HVAC piping, and is classified under tariff item 7307.93.00 as a butt welding fitting.
7307.93.00Alloy Steel Butt Weld Reducer 8 Inch to 4 Inch
A concentric reducer fitting from non-stainless alloy steel, reducing from 200 mm to 100 mm ID, for butt welding in pipe transitions. This reducer is used to connect pipes of different diameters and is classified under tariff item 7307.93.00 as a butt welding fitting.
7307.93.00Alloy Steel Butt Weld Return Bend 4 Inch
A 180-degree return bend of alloy steel (non-stainless), 100 mm ID, for U-bends in butt weld headers. This return bend is essential in boiler and heat exchanger manifolds, and is classified under tariff item 7307.93.00 as a butt welding fitting.
7307.93.00Alloy Steel Butt Weld Stub End 12 Inch
A stub end fitting for lap joint flanges, non-stainless alloy steel, 300 mm ID, butt weld to pipe. This stub end is used with backing flanges in modular piping, and is classified under tariff item 7307.93.00 as a butt welding fitting.
7307.93.00Alloy Steel Butt Weld Tee 6 Inch
A straight tee fitting of non-stainless alloy steel with 150 mm inside diameter, for butt welding to branch pipes in high-pressure systems. This tee is classified under tariff item 7307.93.00 due to its alloy steel material and butt-weld design.
7307.93.00Alloy Steel Butt Weld Wye 6 Inch
A wye fitting (Y-shaped) from non-stainless alloy steel, 150 mm ID, butt weld for diverging flows. This wye is used in drainage and ventilation systems, and is classified under tariff item 7307.93.00 as a butt welding fitting.
7307.93.00ASTM A234 WPB Butt-Weld Elbow 150 mm
A 150 mm inside diameter long-radius elbow made of WPB grade carbon steel, designed for butt-welding in refinery piping systems. It meets ASTM A234 specifications and is compatible with API 5L line pipe.
7307.93.00Black Iron Butt-Weld Equal Tee DN100
An uncoated black iron equal tee with DN100 dimensions (114 mm OD, ~100 mm ID), used for butt-welded steam distribution lines. It is a traditional fitting for heating systems.
7307.93.00Carbon Steel Butt Weld Cap 3 Inch
A weld cap end closure for pipes with an inside diameter of 76 mm, made of nonalloy steel with a beveled rim for butt welding to seal pipe ends. It is a common butt welding fitting of iron or nonalloy steel under 360 mm inside diameter.
7307.93.00Carbon Steel Butt-Weld Cross Fitting 3-inch
A four-way cross fitting made of nonalloy carbon steel with a 75 mm inside diameter, enabling multi-directional pipe connections through butt welding. It is commonly applied in oilfield and industrial piping.
7307.93.00Carbon Steel Butt-Weld Elbow 4-inch
A 90-degree elbow fitting made from nonalloy steel with an inside diameter of 100 mm, designed for butt welding to connect pipes in low-pressure plumbing systems.
7307.93.00Carbon Steel Butt Weld Elbow 4 Inch
A 90-degree elbow fitting made of nonalloy steel with an inside diameter of 100 mm, designed for butt welding to join pipe sections in low-pressure piping systems. It is classified as a butt welding fitting of iron or nonalloy steel under 360 mm inside diameter.
7307.93.00Carbon Steel Butt-Weld Lateral 4-inch
A 45-degree lateral branch fitting made from nonalloy steel, 4-inch size, designed for butt-welded angled pipe takeoffs. It is used in mining slurry lines.
7307.93.00Carbon Steel Long Radius Butt Weld Tee 5 Inch
A long radius tee for smoother flow, made of carbon steel with an inside diameter of 127 mm, with butt weld ends per ASTM specifications. It is classified as a butt welding fitting of nonalloy steel under 360 mm inside diameter, used in petrochemical transfer lines.
7307.93.00Forged Carbon Steel Butt Weld Elbow 4 Inch
A rough forged elbow fitting made of nonalloy steel with an inside diameter of 100 mm, designed for butt welding in low-pressure piping systems. It is not machined, tooled, or otherwise processed after forging.
7307.93.00Forged Iron Butt Weld Cap 8 Inch
An end cap fitting forged from cast iron or nonalloy steel with a 200 mm inside diameter, for sealing butt weld pipe ends in construction plumbing. It remains unprocessed after forging.
7307.93.00Forged Nonalloy Steel Lateral 5 Inch
A 90-degree lateral wye fitting forged rough from iron or nonalloy steel with a 125 mm inside diameter, of butt weld type for sewer lines. It is unprocessed after forging.
7307.93.00Forged Nonalloy Steel Tee Fitting 6 Inch ID
A rough-forged straight tee pipe fitting of iron or nonalloy steel with an inside diameter of 152 mm, for butt welding in industrial water lines. It is unmachined after forging.
7307.93.00Forged Steel Butt Weld Stub End 1.5 Inch
A short stub end fitting roughly forged from iron or nonalloy steel with a 38 mm inside diameter, for butt welding to flanges in structural piping. It is not tooled post-forging.
7307.93.00Iron Butt Weld Reducer 2x4 Inch
A concentric reducer fitting of nonalloy iron or steel changing from 50 mm to 100 mm inside diameter, with beveled ends for butt welding in transitional pipe sizing. It is classified as a butt welding fitting of iron or nonalloy steel under 360 mm inside diameter.
7307.93.00Iron Butt-Weld Reducing Coupling 2-inch to 1.5-inch
A reducer coupling cast from iron or nonalloy steel, connecting 50 mm to 40 mm pipes via butt welding in structural piping. It is used in construction applications.
7307.93.00Nonalloy Steel Butt-Weld Cap 8-inch
An end cap fitting of nonalloy steel with a 200 mm inside diameter, butt-welded to terminate pipe runs in utility systems. It is a standard fitting for sealing pipe ends.
7307.93.00Nonalloy Steel Butt Weld Cross 4 Inch
A four-way cross fitting of carbon steel with an inside diameter of 100 mm, beveled for butt welding to create perpendicular intersections in piping. It is classified as a butt welding fitting of nonalloy steel under 360 mm inside diameter, used in complex manifold systems.
7307.93.00Nonalloy Steel Butt-Weld Stub End 6-inch
A stub end fitting for lap joint flanges, made of nonalloy steel with a 6-inch inside diameter, butt-welded to pipe ends. It pairs with backing flanges in corrosive environments.
7307.93.00Nonalloy Steel Butt-Weld Tee 6-inch
A straight tee fitting of iron or nonalloy steel with a 150 mm inside diameter, for branching pipe runs in industrial water systems via butt welding.
7307.93.00Nonalloy Steel Butt Weld Tee 6 Inch
A straight tee fitting of carbon steel with an inside diameter of 152 mm, beveled ends for butt welding to create branch connections in pipelines. It is classified as a butt welding fitting of nonalloy steel under 360 mm inside diameter.
7307.93.00Nonalloy Steel Eccentric Reducer 1.5x3 Inch
An eccentric reducer to offset pipe centerline, made of nonalloy steel with an inside diameter range of 38 mm to 76 mm, with butt weld bevels. It is classified as a butt welding fitting of nonalloy steel under 360 mm inside diameter, used to prevent air pockets in drainage systems.
7307.93.00Rough Forged Pipe Coupling Sleeve 10 Inch
A cylindrical sleeve coupling forged from nonalloy steel, with an inside diameter of 250 mm, designed for straight butt welding joints in pipelines. It is unmachined after forging, making it a rough forging classified under butt welding fittings of iron or steel.
7307.93.00Rough Forged Steel Reducer 2 to 4 Inch
A concentric reducer fitting forged from nonalloy steel, reducing from 50 mm to 100 mm inside diameter, for butt welding in gas pipelines. It is not tooled or machined post-forging, qualifying as a rough forged butt welding fitting.
7307.93.00Schedule 40 Steel Butt Weld Elbow 2 Inch
A standard schedule 40 wall thickness 90-degree elbow, made of nonalloy steel with an inside diameter of 50 mm for butt welding in general plumbing. It is classified as a butt welding fitting of iron or nonalloy steel under 360 mm inside diameter.
7307.93.00Steel Butt Weld Lateral Tee 4 Inch
A 45-degree lateral branch tee, made of nonalloy steel with an inside diameter of 100 mm, with butt weld ends for angled takeoffs. It is classified as a butt welding fitting of nonalloy steel under 360 mm inside diameter, used in irrigation and manifold designs.
7307.93.00Unmachined Steel Cross Fitting 3 Inch
A four-way cross pipe fitting roughly forged from nonalloy steel, with an inside diameter of 75 mm, for butt welding in irrigation systems. It is unmachined post-forging, fitting the classification for butt welding fittings of iron or nonalloy steel.
7307.93.00WPHY 42 Carbon Steel Butt-Weld Return Bend
A high-yield WPHY 42 grade return bend (180°) made of nonalloy steel with an inside diameter under 360 mm, for close-radius pipe turns. It is suited for high-pressure gas lines.
7307.93.00Wrought Iron Butt Weld Coupling 2.5 Inch
A short coupling sleeve of wrought iron or nonalloy steel, with an inside diameter of 64 mm, double-beveled for butt welding pipe ends. It is classified as a butt welding fitting of iron or nonalloy steel under 360 mm inside diameter, used for repair and extension in legacy systems.