Can stove grates be repainted?

Question

I did a very dumb thing and put my cast iron gas stove grates in the oven during a short (2 hour) self-cleaning cycle. Not only did I melt off the rubber feet but the iron is now gray and ashy looking which won't come off with a scrubby. I tried to purchase new ones but the cost is prohibitive. (I did buy replacement rubber feet which were ridiculously priced too). Has anyone had luck with painting grates with high temp paint?  Any other suggestions? Thanks!

UPDATE 5/22 Before attempting to paint the grates, my husband rubbed them vigorously with fine steel wool, which removed the white ashy film. Although the tops are still a bit worn from daily use, at least the white film and greasy spots are gone and the grates look almost new.  I also replaced the rubber feet.  Thank you to those who responded.

Ken · Answer

You will need to use something other than your box store hi temp paints if you want really good results. They are more like Hi-temp Coatings than they are paints. Before Painting you will need to do a really thorough cleaning of them. Your preparation work is the HARDEST PART and the MOST important part of a good durable paint job. Anybody can squeeze a spray can - the prep work makes all the difference.  Take your time in the cleaning and PREP and you will have results as good as or better than a 'professional'.
A couple suggestions I have for you is to purchase something meant for hi-temperatures 500 to 1500 degrees
http://www.stovepaint.com/ .. although this says their paint is not for cooking surfaces or direct flame contact.
https://www.kbs-coatings.com/XTC.html

Can stove grates be repainted?

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