Galvanized Steel Plumbing Riser with Coupling
2-inch (50.8 mm) OD galvanized welded steel riser pipe with threaded coupling for water supply lines in buildings. HTS 7306.30.50.27 applies to its galvanized, welded, circular nonalloy steel construction, wall >1.65 mm, OD 50.8-114.3 mm, imported coupled.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If outside diameter over 114.3 mm
Larger diameter galvanized tubes have separate statistical suffixes.
If not imported with coupling
Uncoupled tubes classify as simple fittings or nipples.
If pre-galvanized before welding
Welded after galvanizing may use different statistical note.
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Import Tips & Compliance
• NSF/ANSI 61 certification often required for potable water use; include in import docs
• Measure OD precisely—slight variations can shift between 7306.30.50.21 and .50.27
• Galvanization must meet ASTM A53 standards to avoid reclassification
Related Products under HTS 7306.30.50.27
Galvanized Steel Fence Post with Coupling
A welded galvanized steel tube with an outside diameter of 2.5 inches (63.5 mm), wall thickness over 1.65 mm, and pre-attached coupling for connecting fence sections. Classified under HTS 7306.30.50.27 due to its galvanized finish, circular cross-section, welded construction from nonalloy steel, and inclusion of coupling. Primarily used in agricultural and residential fencing.
Galvanized Steel Guardrail Tube with Coupling
Welded galvanized tube, 3-inch (76.2 mm) OD, wall thickness 2 mm, with end coupling for highway guardrail assembly. Fits HTS 7306.30.50.27 as other galvanized welded circular tubes of nonalloy steel exceeding 50.8 mm OD up to 114.3 mm, imported with coupling.
Galvanized Steel Trellis Pole with Coupling
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Galvanized Steel Handrail Section with Coupling
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Galvanized Steel Sprinkler Pipe with Coupling
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Galvanized Steel Flagpole Base with Coupling
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