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Alloys whose main ingredients are iron and carbon are called steel. It is the most widely used material in various industries in the world. Steel has a very high hardness and also has a variety of types.
Tool steel is a group of alloy and carbon steels that are used to make a variety of tools and molds. This type of steel has unique characteristics such as very high resistance to wear, deformation and hardness, which causes these types of steels to not be damaged when placed in harsh environmental and temperature conditions. Instrument steel has different types, each of which has different uses.
Steel molding tools are used to mold high pressure plastic materials up to a temperature of about 200 °C. These molds must have the ability to withstand the abrasive action of molding materials. Therefore, the surface of these molds must be very hard and their center is relatively soft to withstand cycclical pressure blows on the mold. Molding of soft plastic materials is often done in both injection and compressive forms.
Cold instrument steel is actually the best type of steel for making hand tools and machines. Instrumental steels include oil-hardening group, in the air, high carbon-chromium group, which is of high resistance to high temperature and abrasion and does not deform.
A variety of high-energy cold instrument steels can be pointed to SPK - SPKR - Steel 2842 - Steel 2436 - Steel 2767 and Steel 2379 that these steels have high hardness, toughness and high machinability.
Hot instrument steels are another type of steel used in the manufacture of tools. This type of steel, such as cold instrument steel, has a very high resistance to wear and high temperature. The main difference between cold and hot steel is their resistance to high temperature.
Fast instrument steel is a special group of instrument steels that have very high hardness. Also, these steel tools have an exceptionally high resistance to the temperature of the re-cooking. Another name of this type of steel tool is air dry steel.
Fast tool steels are used in lathes, milling and drill machines. These steel tools are able to maintain their hardness and shear power to a temperature of about 600 degrees Celsius. In order to achieve resistance to the re-cooking temperature in high alloy steels, special heat treatment should be performed on them.
Low alloy instrument steels are a type of tool steels whose main ingredient is various alloy materials. In this type of tool steel, there are very few elements such as silicon and manganese, which are mostly available for deoxygenation in low alloy instrument steel.
This type of steel tools are widely used to anneal and normalize steel. Also, this type of steel tools have a very high magnetic conductivity and therefore, they are very used in the manufacture of electrical and magnetic instruments.
Ahan Pouya with more than a decade of best-selling experience, adheres to professional and ethical principles in the field of selling and buying at inside and outside the borders of Iran, helping you in the steel industry.
