17-4 PH Stainless Alloy Steel Round Bar from Mexico
17-4 PH precipitation-hardening stainless steel round bar, hot-rolled for aerospace fasteners and valves. Despite its 17% chromium content, it is classified as 'other alloy steel' bar under this item because it does not meet the stainless steel definition's carbon limit of 1.2% and chromium threshold of 10.5% in the context of this heading.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the steel's chemical composition, especially chromium and carbon content, to confirm classification as other alloy steel rather than stainless steel
• Obtain a certificate of analysis from the manufacturer
• Be aware that aerospace-grade material may require additional documentation for end-use verification