Effects of Alloying Elements on Carbon Steel

When certain special properties are required, some alloying elements are added to carbon steels.  The alloying element may be Ni, Cr, Mn, Va ,W etc. The steel thus obtained are called alloy steels. The purposes of alloying elements are to improve the following properties: Hardness, toughness, and tensile strength Wear resistance Corrosion resistance Ability to retain shape at high temperature Machinability Resistance to distortion at high temperature Fine grain size to steel Elasticity Case hardening Cutting ability Nickel – Nickel is added to steel to: Increase toughness Increase tensile strength, yield…

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