I read somewhere over the weekend that if you took a stainless steel grill grate above about 700F, it would lead to it starting to rust. I am wondering if this is why I can't seem to get the charcoal grate or the main level cooking grate on my SNS Kamado nice and shiny again, even with steel wool, while the much older Easyspin cooking grate on my Weber Kettle shines up nice and pretty with some steel wool. The difference would be that the Weber, other than the grate being directly above the SNS for searing steaks, can't really get above 700F, and I've had the kamado over 700F for doing pizza. The hinged part that I tend to leave over the hot SNS until I start spinning during a reverse sear on a steak is duller even on the kettle grate.
I also noticed when cleaning the Genesis II after the recent grease fire fiasco that I had the same issue with the upper warming rack on that grill, which is stainless. I took it inside to the sink and spent a while scrubbing it with Brillo pads, and it almost seems rusty, and if not rusty, discolored and won't shine up.
So is this a thing? Does 304 stainless get damaged by high heat, and start rusting?
If so, I am speculating that the Vortex I have arriving via UPS tomorrow is going to damage the center of my Easyspin cooking grates on my kettle and my kamado.
I also noticed when cleaning the Genesis II after the recent grease fire fiasco that I had the same issue with the upper warming rack on that grill, which is stainless. I took it inside to the sink and spent a while scrubbing it with Brillo pads, and it almost seems rusty, and if not rusty, discolored and won't shine up.
So is this a thing? Does 304 stainless get damaged by high heat, and start rusting?
If so, I am speculating that the Vortex I have arriving via UPS tomorrow is going to damage the center of my Easyspin cooking grates on my kettle and my kamado.
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