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The main mechanical properties of steel


Hardness is the ability of a material to resist abrasion. Increased hardness can be achieved by raising the carbon content, and by cooling leading to the formation of martensite.


Metal strength is the amount of force required to change the shape of a material. Normalizing a piece of steel will increase its strength by creating a consistent microstructure throughout the material.


Ductility is the ability of a metal to deform under tensile stress. Cold-formed steel has low ductility due to dislocations in the microstructure. The annealing process will enhance this by allowing the crystals to reshape and therefore removing some of the dislocations.


Toughness is the ability to withstand pressure without breaking. Quenched steel can be made harder by tempering that adds spheroids to the microstructure.

Engine capabilities

Machinability is the ease with which steel can be formed by cutting, grinding, or drilling. Machinability is affected mainly by violence. The harder the material, the harder it is to work with.


Weldability is the ability of steel to be welded flawlessly. It mainly depends on the chemical composition and heat treatment. The melting point, as well as electrical and heat conductivity, all have an influence on the weldability of a material.


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Heat treatment for stainless steel

Spheroidization Spheroidizing occurs when carbon steel is heated to about 1290°F for 30 hours. The cementite layer in the pearlite microstructure is transformed into a

Types of Stainless Steel

Stainless steels can be produced with five different crystal structures: ferritic, austenitic, martensite, duplex, and precipitation hardening. pheasic Ferritic stainless steel contains iron, carbon, and

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