Other
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Other: > Butt welding fittings: > With an inside diameter of 360 mm or more > Of iron or nonalloy steel: > 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)
Products classified under HTS 7307.93.90.40
Heavy Duty Carbon Steel Reducer 500mm ID
A concentric reducer fitting made from nonalloy carbon steel for butt welding, with a large end ID of 500 mm tapering to connect differing pipe sizes in industrial water treatment plants. It qualifies for HTS 7307.93.90.40 as an 'other' butt welding fitting of iron/nonalloy steel over 360 mm ID. These are essential for transitioning pipe diameters without welds.
Heavy Wall Butt Weld Lateral 450mm ID
45-degree lateral fitting for butt welding, nonalloy steel with 450 mm ID, suited for oil/gas gathering lines. HTS 7307.93.90.40 for other large nonalloy butt weld fittings. Allows angled branching with minimal flow disruption.
Nonalloy Steel Stub End 500mm ID
Stub end fitting for butt welding to flanges, 500 mm ID, nonalloy steel for large process piping. Under HTS 7307.93.90.40 as other large butt weld fittings. Provides lap joint flange compatibility.
Carbon Steel Wye Fitting 380mm ID
Wye branch butt weld fitting, nonalloy steel, 380 mm ID for drainage systems. HTS 7307.93.90.40 classification.
Large ID Butt Weld Return Bend 420mm
180-degree return bend for butt welding, nonalloy steel, 420 mm ID for heat exchangers. HTS 7307.93.90.40.
Nonalloy Steel Spectacle Blind 450mm ID
Figure-8 spectacle blind for butt welding, 450 mm ID. HTS 7307.93.90.40.
Heavy Duty Pipe Spool Butt Weld 400mm
Pre-welded spool section with fittings, 400 mm ID, nonalloy. HTS 7307.93.90.40 if simple.
Carbon Steel Large Flange Adapter 480mm
Butt weld flange adapter, 480 mm ID. HTS 7307.93.90.40.
Industrial Butt Weld Saddle 500mm ID
Saddle branch fitting for butt weld, 500 mm ID. HTS 7307.93.90.40.
Nonalloy Steel Large Insert 360mm ID
Pipe insert reducer for butt weld, exactly 360 mm ID. HTS 7307.93.90.40.
Large Carbon Steel Butt Weld Elbow 400mm ID
A 90-degree elbow fitting made of nonalloy steel designed for butt welding, with an inside diameter of 400 mm, used in large-scale industrial piping systems for water, oil, or gas transport. It falls under HTS 7307.93.90.40 as a butt welding fitting of iron or nonalloy steel exceeding 360 mm ID and not specified elsewhere. These fittings ensure leak-proof connections in high-pressure applications.
Nonalloy Steel Butt Weld Tee 450mm ID
A straight tee fitting of iron or nonalloy steel for butt welding applications, featuring a 450 mm inside diameter, ideal for branching large pipelines in petrochemical plants. Classified under HTS 7307.93.90.40 due to its large ID, butt weld design, and nonalloy steel material. It facilitates secure, high-integrity junctions in heavy-duty fluid transport systems.
Industrial Steel Butt Weld Cross 380mm ID
A four-way cross fitting of nonalloy steel for butt welding, 380 mm inside diameter, used in complex piping networks for oil refineries. Falls under HTS 7307.93.90.40 for other large-diameter butt weld fittings of iron or nonalloy steel. Provides multi-directional flow in heavy industrial setups.
Nonalloy Butt Weld Equal Tee 420mm ID
Equal tee butt welding fitting from iron or nonalloy steel, 420 mm ID across all runs, for symmetric branching in large sewage or irrigation systems. HTS 7307.93.90.40 applies to these other large ID nonalloy butt weld fittings. Ensures durable, weldable connections for infrastructure projects.
Carbon Steel Large Diameter Cap 400mm ID
Butt weld pipe cap of nonalloy carbon steel, 400 mm inside diameter, used to seal ends of large pipelines in construction. Classified in HTS 7307.93.90.40 as other butt welding fittings over 360 mm ID of iron/nonalloy steel. Prevents leakage at pipe terminations.