Sleeves (couplings)
Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: > Other: > Threaded elbows, bends and sleeves: > Sleeves (couplings)
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)
Subheadings
Products classified under HTS 7307.92.30
Marine Grade Threaded Steel Sleeve Coupling
Epoxy-coated steel threaded sleeve for boat bilge and deck drain pipes. HTS 7307.92.30 covers threaded iron/steel sleeve pipe fittings. Saltwater corrosion resistant.
Industrial Threaded Steel Long Sweep Sleeve
Extended length steel threaded sleeve for smooth flow transitions in chemical processing pipes. Classified HTS 7307.92.30 as threaded sleeve coupling. Minimizes turbulence.
Galvanized Steel Threaded Pipe Sleeve
A threaded sleeve coupling made of galvanized iron or steel, used to join two threaded pipes end-to-end in plumbing systems. It falls under HTS 7307.92.30 as a threaded sleeve (coupling) for tube or pipe fittings of iron or steel. The zinc coating provides corrosion resistance for outdoor or wet environments.
Carbon Steel NPT Threaded Coupling Sleeve
Threaded sleeve coupling of carbon steel with NPT (National Pipe Thread) ends, designed for connecting black iron pipes in gas or water lines. Classified under HTS 7307.92.30 for its role as a threaded sleeve in steel pipe fittings. Commonly used in residential and industrial piping.
Black Malleable Iron Threaded Sleeve Coupling
Malleable iron threaded sleeve for joining pipes in fire sprinkler or steam systems, featuring a black oxide finish. HTS 7307.92.30 applies to this iron-based threaded sleeve (coupling) pipe fitting. Its ductility allows for bending without breaking.
Schedule 40 Steel Threaded Straight Sleeve
Schedule 40 wall thickness steel sleeve with internal threads for straight pipe connections in irrigation systems. Falls under HTS 7307.92.30 as a threaded sleeve coupling of iron or steel. Meets ANSI B1.20.1 standards for pressure applications.
Brass-Plated Steel Threaded Pipe Coupler Sleeve
Steel sleeve with brass plating and female NPT threads on both ends for corrosion-prone water lines. Classified in HTS 7307.92.30 despite plating, as base material is steel for threaded sleeve fittings. Enhances durability in decorative plumbing.
Heavy Duty 2-Inch Threaded Steel Sleeve Coupling
2-inch diameter heavy wall steel threaded sleeve for industrial oil and gas pipelines. HTS 7307.92.30 covers this threaded sleeve (coupling) as a steel pipe fitting. Designed for high-pressure applications up to 1000 PSI.
Threaded Steel Reducing Sleeve Coupler
Steel sleeve coupling that reduces from 1.5-inch to 1-inch NPT threads for transitioning pipe sizes. Still classified under HTS 7307.92.30 as a threaded sleeve despite reduction function. Used in HVAC and drainage systems.
ASTM A105 Forged Steel Threaded Sleeve
Forged carbon steel sleeve per ASTM A105 specs, with precision NPT threads for high-temperature steam lines. HTS 7307.92.30 for threaded steel pipe sleeve fittings. Forging ensures strength without welds.
Close Tolerance Threaded Steel Pipe Sleeve
Precision-machined steel sleeve with close tolerance threads for vibration-resistant couplings in machinery. Under HTS 7307.92.30 as threaded sleeve of steel. Ideal for automotive and equipment assembly.
Galvanized Threaded Sleeve for Fence Posts
Hot-dip galvanized steel threaded sleeve coupling for connecting chain-link fence posts. HTS 7307.92.30 applies to this threaded iron/steel pipe fitting sleeve. Provides rust protection for outdoor fencing.
High-Pressure Steel Threaded Union Sleeve
Steel sleeve with integrated union nut threads for easy pipe disconnection in hydraulic systems. Classified HTS 7307.92.30 for threaded sleeve couplings. Rated for 3000 PSI service.
Threaded Steel Sleeve for Sprinkler Systems
Red brass-look steel threaded sleeve for commercial fire sprinkler pipe joins. HTS 7307.92.30 for threaded steel pipe sleeve fittings. UL-listed for fire protection use.
Precision CNC Threaded Steel Coupler Sleeve
CNC-machined steel sleeve with custom thread pitch for specialized instrumentation tubing. Under HTS 7307.92.30 as threaded steel sleeve fitting. Tolerance ±0.001 inch.