Keeping your valuable metal objects rust free, is an extremely important step to maintain and extend their lifespan. It’s easy but may not be a first choice due to the possibility of damage although I’ve not suffered any: Remove petcock(s) apply duct tape, open gas cap, spray WD40 for 5 seconds, throw in a hand full of lock washers (count them), close cap, wrap tank in the blanket you use for a creeper, tape it up and throw it in the dryer (no heat setting!) 3 hours will make it shine.
If you are going to remove rust from the rims it will take some time but the result will be worth it. Remove the tire and using rubber gloves to protect your skin, take the nylon brush out of the detail brush set and coat the metal surface with the naval jelly and depending on the extent of the rust, leave on for a minimum of 15 minutes or overnight.
A final cleaning option is a tannic- acid-based rust converter”—several have been on the market for a number of years with some good success. Other options are to use lime juice or white vinegar instead of the lemon juice. If you’re not into chemicals and want to remove the rust (but not the paint), this less toxic yet effective abrasive paste can help. I’m pretty much surprised that there is even a mention of rust on stainless steel, unless the steel used is a very low grade stainless.
The nails used were high iron content, and as such they did not fair well in their battle with rust. It can be used on pipe fittings and any other things made of metal you need to remove rust from. Farm supply stores and larger hardware stores should have it. Some brands of this paint might recommend to put on a primer first, so read the label or other manufacturer literature to determine the proper way to use it. Some brands might also say that you can paint over rust.
Install rust-free replacements after you’ve eliminated the surrounding rust and refinished the object. The original purpose of this experiment was to determine which rust remover was most efficient in removing rust on iron. It is important to follow all safety instructions on the Naval Jelly container, and wear the necessary safety gear. Dupont makes an etching solution that works well after wire brushing or sand blasting to then remove all microscopic rust, then prime and paint.
I’ve used it on bolts and stuff and it did a good job of removing rust and I didn’t notice the discoloration that occurs with Naval Jelly. Clear, rust preventing paints are also excellent solutions to some rust problems. I have never left it overnight because I didn’t want to remove too much metal and it usually doesn’t take that long. Cover the entire pipe – even spots that were rust-free – to protect the surface from developing rust. Allow the naval jelly to sit for five to 10 minutes so the chemicals have enough time to penetrate the rust. Rust-removal products containing gelled phosphoric acid, such as Naval Jelly, work best.
For the acid chemical segment, we tested Eastwood’s Fast Etch Rust Remover, Loctite’s Naval Jelly and muriatic acid from Home Depot’s pool supply department. Rub a fine-grit sandpaper in a circular motion over the pipe’s surface to remove stuck-on rust missed by the wire brush. Always don rubber or plastic protective gloves, and safety glasses or a full-face shield to protect your hands, face, and eyes when working with naval jelly. In those situations where there is more rust than elbow grease can handle, a wire brush or wire wheel attached to an electric drill can make simple work of stripping rust.
The advantage of the vinegar/lemon elixer is its ability to reach even the deepest of rust pits. Just remember to always use a clean piece because you can cross contaminate rust and start the rust cycle in an otherwise clean spot. Frequently, there is hardly anything left of the nails, and quite often, the holes where the nails once secured wood will only have rust dust in them. As with any type of rust removal, the job isn’t done until the cleaned surface is passivated with Jasco’s Ospho or a similar product. It is great for use on steel, iron and other ferrous metals, and will remove bluing from steel.
Rust on stainless is caused by the chemicals applied to the grass on the greens. Edmund, as far as the kind of paint to use, I would use a good grade of solvent based outdoor paint for metal items and machinery (like tractors). It is important to remove all the rust from the metal before you attempt to repair or cover up the steel. If there is any rust remaining, repeat the above steps as many times as needed to remove all the rust. Use Naval Jelly only in well-ventilated areas, as its fumes are very harmful to the respiratory system. A conservator would NEVER use anything other than electrolysis since that process only attacks iron oxide (rust).