It depends on the finish of the fireplace, if it is painted use caution so as not to damage the finish. Check anything you would use to clean it on an inconspicuous place first to check for finish damage.
If it is simply adhesive residue, apply some mineral oil (baby oil is a good source) or mineral spirits (paint thinner) or a light lubricating oil like WD-40. Allow to sit for a few minutes, the adhesive will soften and can be removed by rubbing with a rag. It may take several applications depending on the amount of residue and how long it has been on there. Wash the oils off with plain soap and water once the adhesive has been removed. Patients pays off in this case, scrubbing or abrasives will probably change the finish around where the tape was left.
Scrape carefully with a metal spatula, then get residue with acetone.
Use metal prongs for a fire place because if you get normal ones they will burn.
The metal support used in a fireplace is called a "fireplace grate." It is placed inside the fireplace to hold logs and allow airflow for a better burning fire.
To remove dog urine from a metal fireplace, use an antibacterial cleaner. For an all natural antibacterial alternative, use apple cider vinegar or white vinegar.
Conductor
metal residue on surface as a free compound, do not interact as inner sphere or outer sphere to surface. The residue related to access of metal compound after all functional already occupied by adsorption process.
Sticky residue can be removed from painted metal with Goo Gone. Also try a little rubbing alcohol on the spot diluted with some water. Nail polish remover in a diluted form may work as well.
To remove WD-40 from metal, you can clean the surface using isopropyl alcohol or acetone. Apply the solvent to a clean cloth and wipe the surface until the WD-40 residue is removed. Repeat the process as needed until the metal surface is clean.
A safe fireplace screen is made of metal but won't overheat when touched.
An andrion is a metal supports for logs in a fireplace.
A fireplace reflector is a metal shield that is placed at the back of a fireplace to reflect heat back into the room. It helps increase the efficiency of the fireplace by preventing heat loss through the back wall and directing it back into the living space.
Epoxy.