CRAP, I cut my hood and its ALL STEEL baby. Yeah do the magnet test.
UTUBE has a shot of how the dents are removed, Ill try to include it, Woody
YouTube - Easy repeair car only with a hair Dryer and Freezer
YouTube - Secret paintless dent removal
Did you know that a magnet will attract all metals, lead, copper, aluminum and gold if they are cold enough. Above their Curie point (temperature ) they loose magnetic properties. Heat steel and it goes non magnetic!!!! FYI tidbit, woody