There will be rust spots on the stainless steel pipe elbow, which means that the elbow is not made of pure stainless steel, but an electroplated stainless steel elbow. The rust spots can be polished with ultra-fine sandpaper and then sprayed with colorless varnish for anti-rust treatment. It is ready to use. If the rust spots are not treated, they will gradually expand, affecting the appearance and shortening the service life of the elbow.
When brown rust spots (dots) appear on the surface of stainless steel elbows, people are surprised and think that “stainless steel does not rust. If it gets rusty, it is no longer stainless steel. There may be something wrong with the steel.” This is a one-sided misconception due to a lack of understanding of stainless steel. Stainless steel will also rust under certain conditions.
When stainless steel rusts, the surface of the product can be cleaned with rust removal liquid to remove rust, and then passivated and anti-rust treated to prevent the surface from oxidizing again.
Post time: Sep-15-2023