Cast Iron Soil Pipe Stack Guide
A guide fitting made of non-malleable cast iron, used to align vertical stacks of cast-iron soil pipe in drainage systems. It provides structural support and ensures proper alignment during installation. Classified under tariff item 7307.11.00 as a cast fitting of non-malleable cast iron.
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 fitting is made of malleable cast iron
Malleable cast iron fittings are classified separately from non-malleable cast iron fittings.
If the fitting is not cast but forged or machined from other iron or steel
Non-cast fittings of iron or steel fall under other subheadings of heading 7307.
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
• Ensure the fitting is made of non-malleable cast iron (grey iron) and not malleable or ductile iron, as this affects classification
• Verify the product meets Canadian plumbing standards (e.g
• CSA B70) to avoid CBSA delays
• Keep commercial invoices with detailed product descriptions and material composition
Related Products under Tariff item 7307.11.00
Cast Iron 45-Degree Threaded Elbow
A 45-degree elbow fitting crafted from non-malleable cast iron with NPT threads, designed for angled pipe connections in drainage systems. Its threaded design ensures secure connections and smooth flow transitions. This elbow is classified under tariff item 7307.11.00 as a cast fitting of non-malleable cast iron.
Cast Iron Cross Pipe Fitting
A four-way cross pipe fitting made from non-malleable cast iron, designed for multi-directional pipe connections in industrial drainage systems. Its robust, vibration-resistant construction ensures reliable performance under demanding conditions. This fitting is classified under tariff item 7307.11.00 as a cast fitting of non-malleable cast iron.
Cast Iron Floor Drain Trap Adapter
A floor drain trap adapter made from non-malleable cast iron, used to connect floor drains to trap arms in commercial plumbing systems. Its cast construction provides durability and resistance to corrosion in wastewater environments. This adapter qualifies as a cast pipe fitting under tariff item 7307.11.00.
Cast Iron Pipe Elbow 90 Degree
A 90-degree elbow fitting made from non-malleable cast iron, used to connect pipes at right angles in plumbing systems. Its durable construction is designed for long-lasting performance in drainage and wastewater applications. This elbow is classified under tariff item 7307.11.00 as a cast fitting of non-malleable cast iron.
Cast Iron Pipe Sleeve Coupling
A hubless sleeve coupling made from non-malleable cast iron, designed for joining no-hub drainage pipes using clamps. This fitting is widely used in modern cast iron soil pipe systems for secure and leak-resistant connections. It falls under tariff item 7307.11.00 as a cast fitting of non-malleable cast iron.
Cast Iron Soil Pipe Band & Taper
A tapered band coupling of non-malleable cast iron used to join mismatched cast-iron soil pipes in drainage systems. Its dedicated soil pipe cast fitting design qualifies it for tariff item 7307.11.00.