Lap Joint Steel Flange

A two-piece steel flange system with a stub end for easy alignment and rotation in alloy pipe systems. Classified under HTS 7307.91.50 as an other flange ideal for frequent disassembly.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.5%+35.0%40.5%
🇲🇽Mexico5.5%+10.0%15.5%
🇨🇦Canada5.5%+10.0%15.5%
🇩🇪Germany5.5%+10.0%15.5%
🇯🇵Japan5.5%+10.0%15.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7307.99.50Lower: 39.3% vs 40.5%

If for stainless stub ends

Precious metal content in stub ends determines primary material classification.

7307.92.30Lower: 35% vs 40.5%

If sold as bolt sets

Complete lap joint assemblies with hardware may classify as sets.

7307.19.90Higher: 41.2% vs 40.5%

If smaller diameter versions

Miniature flanges under specific size limits have separate provisions.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Ship stub ends and backing flanges separately if not assembled to optimize duties

• Specify tolerance classes for stub end machining precision

• Avoid declaring as complete assembly if sold unassembled

Related Products under HTS 7307.91.50

Forged Steel Weld Neck Flange

A forged carbon steel flange designed with a tapered hub and welded neck for high-pressure piping systems in industrial applications. It falls under HTS 7307.91.50 as a steel flange not specified elsewhere, used to connect pipes securely in refineries and power plants.

Carbon Steel Slip-On Flange

A slip-on carbon steel flange that slides over the pipe end and is welded in place, commonly used in low-pressure applications like water systems. Classified under HTS 7307.91.50 as an 'other' iron or steel flange for general piping connections.

Steel Blind Flange

A solid steel disc used to seal the end of a pipe system, preventing flow and allowing for future expansion. It is categorized under HTS 7307.91.50 as an 'other' flange of iron or steel, essential for pressure testing and maintenance.

Galvanized Steel Socket Weld Flange

A galvanized socket weld flange for corrosion resistance in outdoor piping, where the pipe is inserted into a socket and fillet welded. Falls under HTS 7307.91.50 as an other steel flange for robust connections in chemical plants.

Plate Steel Flange

A cost-effective flange cut and machined from steel plate stock, suitable for non-critical low-pressure services. It is included under HTS 7307.91.50 as an other iron or steel flange for general utility piping.

Steel Reducing Flange

A steel flange that connects pipes of different diameters, maintaining pressure integrity in transition points. It is covered by HTS 7307.91.50 as an other iron or steel flange for size adaptation.