Pressed Steel or kind downlight? whats the difference between a pressed steel downlight and a cast downlight....

whats the difference between a pressed steel downlight and a cast downlight. Which one is better and more suited lighting a kitchen.
Answers:    . You're conversation about the die-cast aluminum lantern fixture?
I don't think it's as durable, or looks as solid as the steel.
Of course it never rusts so conceivably it's best for a hot, wet kitchen.