O1 Tool Steel Flat Bar Stock from United States
O1 tool steel flat bar stock is an oil-hardening tool steel in rectangular semi-finished form, width less than four times thickness, used for making gauges and fixtures. It falls under tariff item 7224.90.00 as other alloy steel semi-finished products, given its tool steel composition.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the bar stock is not further worked than hot-rolled or forged, as additional processing may change classification
• Maintain documentation of the alloy composition to support the tool steel classification
• Verify the dimensions meet the semi-finished product definition under Chapter 72