The shell materials of electric heaters are mainly carbon steel and stainless steel. Now our company will introduce the differences between carbon steel and stainless steel.
Carbon steel is steel that contains carbon but no other alloying elements intentionally added. Of course, the carbon content is controlled to a certain extent, and its hardness is greater than that of pure iron. It generally does not have corrosion resistance.
Galvanized steel is steel coated with a layer of zinc on the surface, such as iron buckets used at home, to resist corrosion. Its corrosion mechanism is that when corrosion occurs, electrochemical corrosion of the zinc layer on the surface occurs first, thereby protecting the iron substrate.
Stainless steel refers to alloy steel with a chromium content of at least 13% that does not rust in the atmosphere. There are many types of stainless steel, including ferritic stainless steel, austenitic stainless steel, martensitic stainless steel, etc. Different stainless steels have different corrosion resistance capabilities and different resistance to different media.
The three can be distinguished. Carbon steel is not discussed here? It can be seen at a glance. The surface of galvanized steel is zinc, not iron, and its surface is white. Stainless steel is also white.
They also differ in magnetic properties. Carbon steel and galvanized steel have no difference in magnetism. Stainless steel generally does not have magnetism, but it is not absolute. Austenitic stainless steel has no magnetism, but ferritic stainless steel has magnetism, though relatively weak.
