Vinegar and a steel wool pad or naval jelly follow directions will remove the rust.
Removing rust from door hinges without removing.
Scrub the door hinge with steel wool.
But it is important to seal the metal away from moister as soon as you can.
Remove as much rust as possible but expect rust to remain near the edges and around the screw holes.
Place the hinge.
Use a screwdriver to remove the hinge plates from the door.
At this point they looked clean enough to be removed from the mixture.
On may 15 2018 try dabbing a paper towel of a microfibre cloth in clr and rub the areas that are visible to you and ugly to look at.
Replace the hinge and then remove the next hinge repeat.
Remove the door hinge.
If you still have a lot of rust i would let them soak more.
You can t remove the rust w out removing the hinges.
Use wd40 if the hinges are squeaky paint can sometimes be chipped off if you use a chizzle or small dry wall knife depends how many coats ans how thick the paint is.
I was refinishing a bathroom vanity cabinet but the hinges had rust on them so i needed to remove the rust before reusing the hardware.
I waited several hours and by the time i came back to them vinegar baking soda mixture was orange with rust and a lot of the rust had been removed from the hinges.
This can be done w out removing the door.
Remove one hinge at a time.
How to remove rust from door hinges.