Buy a dozen of those inexpensive brown cotton gloves you see in the glove aisle at HF, painting aisle at HD, etc. Then get the 5 mil HF Nitrile gloves....if the size you buy are tight on bare hands, move up a size. Use the cotton gloves as liners, put the nitrile over them.
It won't protect you from glowing hot metal, but hot oil, yes.
Also good for handling hot meats off the smoker, etc.