Final answer:
To clean rust off stainless steel, use specialized cleaners containing acids such as lactic, citric, or phosphoric acid. Apply the cleaner, scrub gently with a non-abrasive tool, and rinse thoroughly. Safety precautions such as wearing gloves and working in a ventilated area are important.
Step-by-step explanation:
The process of cleaning rust off stainless steel can involve the use of specialized cleaners that contain various acids such as lactic, citric, or phosphoric acid. These acids can help in breaking down and removing the rust.
Additionally, solvents like mineral spirits might be added to these cleaners to enhance their effectiveness. Stainless steel's resistance to rust comes from its composition, specifically the presence of chromium, which forms a passivating oxide layer.
Nevertheless, rust can still occur and addressing it promptly is important.
Cleaning tips include:
- Applying the cleaner with acid content onto the affected area and allowing it to sit to dissolve the rust.
- Using a non-abrasive cloth or sponge to gently scrub off the rust.
- Thoroughly rinsing the area with water and drying it to prevent new rust from forming.
Remember to always wear gloves and work in a well-ventilated area when using chemical cleaners. Nonferrous metal cleaners might also be an option as they often contain ammonia, ammonium soaps, and chelating agents which can clean without scratching the stainless steel surface.