Corrugated Steel Flexible Chimney Liner
A corrugated steel flexible chimney liner is a flexible alloy steel tube installed inside masonry chimneys to vent wood or pellet stoves. It is classified under tariff item 8307.10.00 as flexible tubing of iron or steel, with or without fittings, and is not excluded by the section notes (e.g., not a part of Section XVI or XVII).
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the liner is rigid rather than flexible and is welded or seamless
Rigid tubes and pipes of iron or steel are classified under Chapter 73, not as flexible tubing.
If the liner is imported as a part of a complete heating appliance
Parts of furnaces or stoves are classified with the parent article under Chapter 84.
If the liner is specifically designed for a particular stove model and sold as a kit
Parts of non-electric domestic appliances may fall under this heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the liner is not considered a part of a stove or fireplace (which would fall under Chapter 84 or 73)
• Provide documentation showing the steel alloy composition and any safety certifications (e.g
• UL or ULC) to expedite CBSA clearance
• Ensure the diameter and length are accurately declared for tariff classification
Related Products under Tariff item 8307.10.00
Braided Stainless Steel Ice Maker Line
A braided stainless steel ice maker line is a flexible tubing product with a 1/4-inch compression fitting on each end, designed to connect a refrigerator's ice maker to a water supply. It falls under tariff item 8307.10.00 because it is flexible tubing of iron or steel, with or without fittings, and is not excluded by any chapter or section note.
Flexible Stainless Steel Braided Dishwasher Supply Line
A flexible stainless steel braided dishwasher supply line is a reinforced flexible tube with elbow fittings, used to connect a dishwasher to a water supply. It is classified under tariff item 8307.10.00 as flexible tubing of iron or steel, with or without fittings, and is not excluded by the section notes.
Flexible Steel Braided LP Gas Line
A flexible steel braided LP gas line is a stainless steel corrugated core with a braided jacket, used for propane grill and heater connections. It falls under tariff item 8307.10.00 as flexible tubing of iron or steel, with or without fittings, and is not excluded by the section notes.
Galvanized Steel Braided Water Supply Line
A galvanized steel braided water supply line is a flexible connector with external braided reinforcement, used for plumbing connections between faucets and shut-off valves. It is classified under tariff item 8307.10.00 as flexible tubing of iron or steel, with or without fittings, and is not excluded by the section notes.
Galvanized Steel Flexible Exhaust Tubing
Galvanized steel flexible exhaust tubing is a corrugated tube used in automotive and HVAC exhaust systems for vibration absorption. It is classified under tariff item 8307.10.00 as flexible tubing of iron or steel, with or without fittings, and is not excluded by the section notes (e.g., not a part of Section XVII).
Galvanized Steel Hydraulic Hose with JIC Fittings
Galvanized steel flexible hydraulic hose with 37-degree JIC flare fittings, designed for high-pressure oil transfer in industrial hydraulic machinery. The hose is made of annealed galvanized steel, providing flexibility and durability under pressure, and the fittings are integral to its function.