malleable Iron Pipe Nipple
Short threaded nipple fitting from malleable iron, connecting close pipe sections in gas lines. Though malleable, falls in 7307.99.50.45 as other iron fittings if not socket type. Durable for low-pressure service.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If socket or other specialized malleable
Malleable fittings have sub-provisions excluding general other.
If imported as unfinished precision tubes
Nipples resembling tubes by dimension classified there.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Malleable iron chemical specs (high ductility) must be documented
• Length <6" typical; longer may resemble tubes under 7306
• Galvanized nipples common; coating declaration separate
Related Products under HTS 7307.99.50.45
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Ductile Iron Flanged Reducer
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Carbon Steel Threaded Pipe Union
Threaded union fitting from nonalloy carbon steel, allowing easy disconnection of pipe sections in maintenance-heavy lines. Under HTS 7307.99.50.45 for other iron/nonalloy fittings. Features ball-and-socket joint for alignment.
Welded Steel Pipe Cap
Threaded or weld end cap fitting from fabricated nonalloy steel sheet, sealing pipe ends in industrial piping. HTS 7307.99.50.45 applies to such other fittings. Prevents leakage in pressure systems.
Forged Steel Pipe Cross Fitting
Four-way cross fitting forged from nonalloy steel for multi-branch piping in process plants. HTS 7307.99.50.45 for other such fittings. High strength for demanding connections.
Black Iron Pipe Sleeve
Plain sleeve coupling from black iron (uncoated), used for repair/extension of piping. Other fitting under HTS 7307.99.50.45. Simple slip-fit design.