Black Malleable Iron Pipe Coupling Sleeve
Threaded sleeve coupling forged from malleable iron, featuring a black oxide finish for corrosion resistance in gas piping. Classified under HTS 7307.92.30.10 as a sleeve (coupling) of iron or nonalloy steel. Ideal for low-pressure natural gas distribution lines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as part of a pipe set
Fittings imported in sets with pipes may classify under composite goods provisions rather than individual sleeves.
If stainless steel
Upgrading to stainless steel changes classification to the dedicated stainless threaded sleeve subheading.
If for industrial pump/fluid machinery use
If specifically designed as parts for pumps or fluid machinery, it may shift to Chapter 84 machinery parts.
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Import Tips & Compliance
• Provide chemical composition analysis confirming malleable iron status to distinguish from cast iron fittings
• Label with pressure ratings and 'gas suitable' markings to meet ASME B16.3 standards during customs clearance
• Watch for country-of-origin rules; certain iron fittings from China face additional Section 301 tariffs
Related Products under HTS 7307.92.30.10
Galvanized Steel Pipe Sleeve Coupling
A threaded sleeve coupling made of nonalloy steel with a galvanized coating, used to join two plain-end steel pipes in plumbing systems. It falls under HTS 7307.92.30.10 as a threaded sleeve of iron or nonalloy steel, distinct from elbows or bends. Commonly applied in water supply and drainage installations.
NPT Threaded Iron Sleeve Coupling 1-1/2 Inch
1-1/2 inch NPT threaded sleeve coupling cast from nonalloy iron, designed for joining galvanized pipes in irrigation systems. Falls under HTS 7307.92.30.10 for iron/nonalloy steel threaded sleeves (couplings). Provides secure, leak-proof connections in agricultural setups.
Heavy-Duty Nonalloy Steel Repair Sleeve
Extra-thick walled threaded sleeve of nonalloy steel for repairing damaged pipes in oilfield applications. HTS 7307.92.30.10 applies to such iron/nonalloy steel threaded sleeves/couplings. Built to withstand high-pressure hydrocarbon flows.
1 Inch Galvanized Iron Threaded Pipe Coupler
1-inch diameter galvanized iron threaded sleeve coupler for residential water lines. HTS 7307.92.30.10 designates it as a nonalloy steel threaded sleeve. Zinc coating ensures longevity in damp environments.
Malleable Steel Straight Pipe Sleeve Connector
Straight threaded sleeve connector from malleable nonalloy steel for mechanical piping repairs. Under HTS 7307.92.30.10 for iron/nonalloy threaded sleeves. High tensile strength for industrial conduit applications.
Schedule 40 Steel Threaded Sleeve Adapter
Threaded sleeve coupling compliant with ASTM A53 Schedule 40 steel pipe standards, used for straight connections in structural frameworks. HTS 7307.92.30.10 covers this as a nonalloy steel threaded sleeve. Essential for mechanical and HVAC piping repairs.