Comment: Melting steel takes lots of energy...

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In reply to comment: Yes I have and my steel grill (see in situ)

Melting steel takes lots of energy...

Melting steel takes a great deal of energy - which a sustained blaze in an 'oven-like' environment could accomplish.

No, I didn't expect your grill to melt.

I have melted aluminum cans in camp fires many times. Not by putting them on a stick like a marshmallow - but by burying them under hot coals and blowing on the coals.