This might take off some of the paint on the door as well but paint is easy enough to replace once you are done cleaning.
How to get rust off of steel door hinges.
Remove as much rust as possible but expect rust to remain near the edges and around the screw holes.
Vinegar and a steel wool pad or naval jelly follow directions will remove the rust.
How to remove rust from door hinges.
Apply more vinegar if needed.
Remove the dust and dirt with a soft brush.
Remove the door hinge.
Scrub the door hinge with steel wool.
If the rust is not completely removed use a small piece of sandpaper and rub it on the rusty surface in a circular motion.
Place the hinge.
The salt will act as an abrasive which is also necessary to scour away the rust.
But it is important to seal the metal away from moister as soon as you can.
Using a wire brush or a steel wool sponge gently scrub at the rust to remove it from the surface of the door.
Use a screwdriver to remove the hinge plates from the door.
However for stuck on gunk or stubborn residue you can create a mixture of equal parts of olive oil and vinegar.
The mildly acidic nature of the lemon juice will react with the rust and help remove it.
Whichever you have use it to gently scrub the remaining rust off.
It shouldn t be too hard to get off.
Dab a clean dry cloth into the salt lemon paste and rub it on the rusted areas of the hinges.
Mask around the hinge and use a paint or sealer like rustoleum.
If it is you may need to soak them longer or the rust may be too deep to scrub off.
The easiest and safest way to clean your stainless steel door hardware is to use a soapy damp soft cloth and then rinse with clean water.