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e hardening is a path breaking technology that is used to harden the outer surface of steel and other industrial metals, while keeping the core soft. This method involves a specified process of heat treatment and carburising and is done to make the element tough and durable, while ensuring that it does not become brittle. Case hardened steel and other metals are strong and can bear extremely heavy loads, while being ductile due to their soft core. The process works through the addition of a thin layer of alloy, which is naturally more resilient, at the surface of the metal.
The process also known as surface hardening increases the life of a metal object and is widely used to produce machine parts nike air jordan shoes, carbon steel pinions, carbon steel forgings, and for several other purposes. Previously and for several centuries earlier discount air jordan, this process was popularly used to manufacture horseshoes and a variety of utensils that were regularly subject to wear and tear. Depending on the required strength of the metal and its application, the case hardening process is varied to impart different depths during the treatment. The general rule of thumb dictates that the greater the depth of the alloy on the surface of the metal, the more resilient and durable the metal becomes.
Traditionally, carbon is added to the surface of iron to get a resilient variety. This process is a slight variation on this process and involves the addition of carbon-rich metal elements to the top layer of metals that are low on carbon content. This amalgamation process has similar effects to that of adding carbon to the surface of iron, giving the metal toughness while making sure that it does not become brittle. Metals that undergo the case hardening process are malleable and can be easily rolled into thin sheets that offer high durability and can be used for heavy-duty applications.
Case hardened metals are widely used across the industries to manufacture durable items like fireplace equipments, kitchen equipments, cast iron wash pans, etc. Also, the construction industry uses case hardened metals to augment girders, metal panels, metal doors, etc, so that they are able to perform under greater pressure and load. Usually this process is carried on after the metal has been processed to attain its final form. It is a specialized process that is carried on for surfaces or parts of surfaces that particularly require distinctive strength and flexibility. There are several applications in the industry where only a part of the surface of equipments is case hardened for enhanced strength. The firearms industry has wide use of this particular hardening process, to achieve higher tensile strength of metal and ensure accuracy as well as toughness.
Even the automotive industry has ample use of the case hardening process to render tough and heavy duty metal, mostly for suspension purposes. Again, camshafts and special-purpose self-drilling screws are required to be case hardened. The process is relatively simpler for smaller items like screws and fasteners, because they can be hardened by repetitively heating and quenching. In the process of hardening for steel the metal is first carburised before being heat-treated.