In addition to its unsightly appearance rust can corrode and weaken the structure of metal causing holes to appear and increasing the possibility of the hinge breaking or snapping when the door opens.
How to clean rusty door hinges without removing them.
If they re clean turn the stovetop off and rinse your hinges in water.
Wd40 is one of my favorite products and a staple in my workshop but i always use dry graphite or spray silicone lubricant on hinges.
Scrub the hinges and the hinge pins vigorously with a scrub sponge or coarse steel wool.
Be sure to mask of the places you don t want it.
The moisture mixes with oxygen and forms rust.
Be sure to dry the areas in the screw holes as well.
Use tongs to pull the hinges out every 10 minutes and examine them.
If there is a lot of rust use steel wool.
Dry the hinge pins thoroughly with a towel.
Rust accumulates on door hinges when moisture is allowed to build up on the surface of the metal.
The amount of time it takes to get your brass hinges clean by simmering them in milk depends on the extent of grime and tarnish the hinges have acquired.
Wet lubricants collect dust and gum up over time.
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.
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.