Black Malleable Iron Threaded Sleeve Coupling from United States
A malleable iron threaded sleeve coupling with a black oxide finish, used to connect pipes in fire sprinkler or steam systems. Its ductility allows for easy installation and secure joints, 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
• Classify the coupling as malleable iron and ensure it is threaded
• Keep documentation of the black oxide finish for customs
• Confirm the end-use application to avoid misclassification as a plain coupling