What is Stainless Steel?
Stainless steel is an alloy of iron, chromium, and, occasionally, nickel and other metals that resist corrosion. Stainless steel is the ultimate “green material” because it is completely and essentially recyclable. In reality, the recovery rate for the building industry is quite close to 100%. In addition to being durable and environmentally inert, stainless steel also satisfies the requirements of sustainable construction. Additionally, it does not leak substances that, when in contact with substances like water, could change their composition.
In addition to these advantages for the environment, stainless steel is also very hygienic, easy to maintain, highly durable, and offers a wide range of features. As a result, stainless steel is used in numerous commonplace items. It also contributes significantly to a variety of sectors, including energy, transportation, construction, research, healthcare, food, and logistics.
Composition of Stainless Steel
Steel is an iron and carbon alloy. Steels that include at least 10.5% chromium, less than 1.2% carbon, and other alloying elements are known as stainless steels. Other elements, such as nickel, molybdenum, titanium, niobium, manganese, etc., can be added to stainless steel to further improve its mechanical and corrosion resistance.
Reaction to Contact with Air, Humidity or Water
A layer of chromium oxide develops on the material’s surface when it comes into contact with oxygen. It is shielded by this passive layer, which also possesses the unusual ability to heal itself.
Mechanical Properties
Because it is steel, stainless steel has strong mechanical qualities at room temperature compared to other materials. It is particularly ductile, elastic, and hard, allowing it to be utilized in challenging metal forming processes (such as deep stamping, flat bending, extrusion, etc.) while providing resistance to severe wear (friction, abrasion, impact, elasticity, etc.). It also provides excellent mechanical performance at both low and high temperatures.
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