Black Malleable Iron Pipe Coupling Sleeve from United States
A threaded sleeve coupling forged from malleable iron with a black oxide finish, designed for gas piping. The black oxide coating provides corrosion resistance, and the malleable iron base material qualifies it as a threaded sleeve fitting 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
• Confirm the black oxide finish does not add another metal that could affect classification
• For gas piping, ensure compliance with CSA B149.1
• Provide the malleable iron grade (e.g
• ASTM A197) in your documentation