Boiler Flange Composite Gasket

Kammprofile gasket with grooved steel core and soft iron facing for high-pressure steam boiler flanges. HTS 8484.10.00.00 covers the two-layer metal sheeting with integrated sealing overlay.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

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

8402.90.00Higher: 39.3% vs 37.5%

If parts of steam boilers

Boiler-specific gaskets classified as parts of named boiler equipment.

7219.90.00Lower: 35% vs 37.5%

If flat-rolled steel sheets

Unfinished metal sheet cores could revert to base metal classification.

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

ASME boiler code compliance docs streamline customs review

Specify flange size/pressure class to match industrial application

Related Products under HTS 8484.10.00.00

Automotive Head Gasket

A multi-layer steel gasket with elastomeric coatings used to seal the cylinder head to the engine block in internal combustion engines. It falls under HTS 8484.10.00.00 due to its construction from two or more layers of metal sheeting combined for high-pressure sealing in automotive applications.

Flange Gasket for Industrial Pipes

Spiral-wound gasket made of alternating stainless steel layers and graphite filler for high-pressure pipe flanges in chemical plants. HTS 8484.10.00.00 covers its multi-layer metal sheeting combined with other sealing materials.

Cylinder Head Gasket for Diesel Engines

Three-layer steel gasket with wire bead reinforcement and MLS (multi-layer steel) design for heavy-duty diesel engines. Fits HTS 8484.10.00.00 for its two or more layers of metal sheeting optimized for combustion sealing.

Heat Exchanger Gasket

Double-jacketed metal gasket with PTFE inner lining for plate heat exchangers in HVAC systems. Classified in HTS 8484.10.00.00 for metal sheeting combined with other materials for thermal sealing.

Turbocharger Mounting Gasket

Layered stainless steel gasket with mica/graphite facing for turbocharger-to-manifold flange sealing. Covered by HTS 8484.10.00.00 as multi-layer metal sheeting with combined materials for extreme heat.

Marine Engine Flange Gasket

Corrosion-resistant multi-layer gasket of copper-nickel sheeting with polymer binder for ship engine cooling systems. HTS 8484.10.00.00 for metal sheeting combined with other materials in marine applications.