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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If inside diameter between 190 mm and 360 mm
Mid-size butt weld fittings of nonalloy steel use 7307.93.60, differentiated by the specific ID range.
If imported as unfinished tubes rather than fittings
Plain tubes without fitting features like branches classify under Chapter 73 tubes, not fittings.
If stainless steel construction
Stainless bolted/studded fittings are in 7307.23; stainless butt welds go to other stainless subheadings.
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Import Tips & Compliance
• Include detailed engineering drawings showing bevel ends and ID measurements to substantiate 7307.93.90.40 classification
• Obtain country-of-melt certification for nonalloy steel to comply with trade remedy investigations
Related Products under HTS 7307.93.90.40
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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
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Carbon Steel Wye Fitting 380mm ID
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Figure-8 spectacle blind for butt welding, 450 mm ID. HTS 7307.93.90.40.