Manganese

It is one of the main elements added in the manufacture of steel. It neutralizes the sulfur, and forms manganese sulphides avoiding the formation of iron sulphides. It is also beneficial because it acts as a deoxidizer. As an alloying element in a percentage of up to 1.6% it provides carbon steels with greater tensile…

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Martensite

It is the crystal that provides steel with the maximum possible resistance. It consists of a solid supersaturated carbon solution. It is the constituent of quenched steels and   is produced without diffusion.

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Mechanical properties

The mechanical properties indicate the physical and mechanical properties of steel. The main mechanical properties of steel are its hardness, density, behaviour with temperature changes, tenacity, ductility, malleability, elongation and hardenability.

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Melting

Process by which a material changes its condition from solid to liquid. This process involves high temperatures in the case of steel, where the melting point depending on its chemical composition, can vary between 1390 and 1540 ºC. The melting point in steels is directly related to the carbon equivalent; the higher the carbon content…

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Metallurgy

It is the technique that takes advantage of science and technology to obtain metals from the minerals that contain them. The use of the resources is in an efficient, economical and environmentally friendly way, seeking to achieve development and well-being.

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Microalloyed steels

Microalloyed or HSLA (high strength low-alloy) steels have high mechanical characteristics; this means an advantage over common alloy steels, as high strength parts can be obtained by forging, without having to resort to further processing. The precipitates that form and the temperature control (cooling process) are the two phenomena that confer the high mechanical characteristics…

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Molybdenum

It is a chemical element that increases the hardening depth of steel and its toughness. Austenitic stainless steels contain molybdenum to improve their resistance to corrosion. As an alloying element in steels, it increases the hardenability and decreases the brittleness in the tempering . Molybdenum hardens the ferrite in the steel matrix and forms carbides,…

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