ASTM A197 Carbon Steel Sleeve Coupling from United States
A threaded sleeve coupling meeting ASTM A197 standards for malleable iron fittings, used in fire sprinkler systems. The malleable iron construction provides corrosion resistance and reliability, qualifying it as a threaded sleeve under tariff item 7307.92.00.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Provide the ASTM A197 certification to confirm malleable iron composition
• For fire sprinkler systems, ensure compliance with Canadian standards like ULC-S313
• Declare the end-use to support classification as a sleeve fitting