To get aron you need to use safari zone customizer and use the rock beach zone, then add rocks until 19+ likes rocks in your area (can check usin customizer) then in the day go and search wiv nat dex.also if you have magnet pull ability as first in your party your 20% more likely 2 find steel pokes hope I helped. ;)
this also works wiv static & electric types
this also works wiv static & electric types