"My view is the president should exempt all fairly traded steel and aluminium, from every country that trades fairly - certainly, Canada and Mexico," Brady told reporters. "Canada is a huge customer for the U.S.; Mexico is a key trading partner."

He said he would keep working with Trump "to help him tailor this for the maximum good effect."

(Reporting by Susan Cornwell; Writing by Mohammad Zargham; Editing by Peter Cooney)