Stainless Steel Threadless Coupling
A straight stainless steel connector used to join two pipes end-to-end without threads, ideal for high-pressure fluid transfer lines. Classified under HTS 7307.29.00 as other stainless steel pipe fittings beyond flanges or specific socket types. Its seamless design ensures leak-proof connections in food processing and chemical industries.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 5% | +35.0% | 40% |
| 🇲🇽Mexico | 5% | +10.0% | 15% |
| 🇨🇦Canada | 5% | +10.0% | 15% |
| 🇩🇪Germany | 5% | +10.0% | 15% |
| 🇯🇵Japan | 5% | +10.0% | 15% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of iron or steel, not stainless
Non-stainless couplings go to 7307.19, separated by material type from stainless steel provisions.
If threaded
Threaded stainless steel fittings are specifically provided for in 7307.92, changing based on connection method.
If parts of food processing machinery
End-use as machinery parts shifts classification to Chapter 84, superseding general fittings heading.
Not sure which classification is right?
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Import Tips & Compliance
• Include pressure ratings and connection type in invoices to distinguish from threaded couplings under other subheadings
• Obtain mill test reports confirming stainless steel composition to prevent reclassification as carbon steel fittings
• Avoid bundling with valves, as sets may require classification under valve parts in Chapter 84
Related Products under HTS 7307.29.00
Stainless Steel Cross Pipe Fitting
A four-way stainless steel fitting for intersecting pipe runs, enabling complex flow distribution in process piping. Classified in HTS 7307.29.00 as other stainless steel tube or pipe fittings. Ideal for pharmaceutical plants due to its sanitary weldability.
Stainless Steel Expansion Joint Fitting
A flexible stainless steel fitting absorbing thermal expansion in long pipe runs. HTS 7307.29.00 covers it as other stainless steel pipe fittings. Used in power plants and refineries for vibration damping.
Stainless Steel Pipe Plug Fitting
A removable stainless steel plug sealing pipe openings during testing or storage. Under HTS 7307.29.00 as other stainless steel fittings. Common in construction and shipbuilding.
Stainless Steel Y-Strainer Fitting
A Y-shaped stainless steel fitting with screen to filter debris from pipelines. Classed in HTS 7307.29.00 as other stainless pipe fittings. Vital for protecting pumps in water treatment.
Stainless Steel Hex Nipple Fitting
Short stainless steel nipple with hex ends for wrench-tightening pipe connections. HTS 7307.29.00 for other stainless fittings. Used in instrumentation tubing.
Stainless Steel Pipe Bend Fitting
Pre-fabricated stainless steel bend for smooth direction changes in piping. Other stainless fitting per HTS 7307.29.00. For exhaust and process lines.