Two Cases of Rust on Stainless Steel Chassis and Cabinet

Stainless steel cabinets are made of stainless steel as the main material and have outstanding rust prevention and corrosion protection functions. They can remain as they are in both acidic and alkaline environments, but this does not mean that stainless steel cabinets can truly“ Stainless”, Common stainless steel chassis; Rust” There are two types of corrosion: intergranular corrosion and uniform corrosion

1、 Intergranular corrosion is a type of localized corrosion. Corrosion that propagates inwardly along the boundaries between metal grains. This is mainly due to differences in chemical composition between the surface and interior of the grains, as well as the presence of impurities or internal stresses at the grain boundaries. Intergranular corrosion destroys intergranular bonding, greatly reducing the mechanical strength of stainless steel, and weakening its mechanical properties. "After corrosion occurs, the surfaces of metals and alloys still maintain a certain metallic luster, with no sign of damage. However, the intergranular bonding force is significantly weakened, and the mechanical properties deteriorate, making them unable to withstand percussion. Therefore, it is a very dangerous type of corrosion.". Intergranular corrosion of stainless steel welds is a major issue in chassis and cabinets

2、 Uniform corrosion, also known as overall corrosion, is a type of corrosion that can damage the entire surface or most of the surface of a metal. Chemical or electrochemical corrosion can cause uniform corrosion. This type of corrosion is extremely destructive to metals, but it is easy to detect and has low safety hazards