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One of the most important qualities that should be made in steel pages to make some products in industries is to resist wear . For this reason, they use a coating for these steels to increase its strength. These types of sheets are called hardwood sheets and have different types for different applications.
Hardox sheets were first produced in Sweden in 1975 by Professor Johann Auguste Braille at the Asab factory.Due to the extraordinary advantages that this sheet produced for various industries , he immediately found a special place in the market and especially studied the attention of engineers . After that use of cards has spread to other advanced countries such as the US ,Europe and some Asian countries , such as Iran .
As mentioned in the introduction, anti-wear sheet is a sheet used to produce corrosion-resistant steels.In fact , although steel itself is very resistant to corrosion agents , it is classified into different types , and for some applications we will need higher resistance from the regular steel limit . Therefore, it should be possible to use materials that increase the strength of steel, which are the same as anti-wear sheets . destructive wear factor can reduce the weight of steel and cause damage due to a fracture probability .However, if Hardox sheet is used for it, its hardness and vulnerability will increase and it will have a longer useful life. Anti-wear sheets have a wide range of applications in a variety of industries.
In combination of all types of steel , iron ore , iron ore and alloy element is used , which will vary by changing the percentage of these elements properties of steel in the desired steel .In the manufacture of hardwood sheets, the percentage of carbon is higher; Because carbon is an element that increases the stiffness and hardness of the sheet . It is also used for higher resistance in these cards as well as chromium alloys and manganese . As a result, the resistance of steel to corrosive materials in the environment is greatly increased Of course, we can not add as much carbon steel as we want; Because although it increases the hardness of steel, it reduces its strength. Therefore, even in normal cases, hardox sheet is used when the main cause of damage to the structure or tool is wear.
In addition to increasing the strength of steel sheets against abrasion, hardox sheets are used. Anti-wear sheets themselves have different hardnesses. This degree of difficulty is measured for different applications by a measure called Brinell . The use of Brinell is the first and most common method of measuring the hardness of these sheets . In this method, using a steel ball made of tungsten carbide, the amount of depression of the sheet surface against the material is measured. The ball has a diameter of 10 mm and a force equivalent to 3000 kg is applied to the surface of the sheet to determine its hardness. Of course, for soft metals, the amount of this force will be only 500 kg.
Hardox sheets are used in a variety of industries, large and small, based on their hardness . The most important applications of Hardox sheets are used in mining, manufacturing agricultural machinery and tools, steelmaking, cement making, dredging equipment manufacturing, making safes, use in drilling machinery and automobile manufacturing. Also, due to the resistance of these sheets to some gases, fluids and dust particles, they are used more in environments where these cases exist. The use of these plates in contaminated environments reduces the damage caused by wear and wear . In addition, using hardwood sheets will not cause unexpected costs for repairs. The price of cards , of course , is higher than regular steel prices , but over time it will be more cost - effective than steel cards to reduce repair and replacement expenses .
There are different types of anti-wear sheets, each of which has a different degree of resistance to abrasion and corrosion. Hardox sheet is only one type of anti-wear sheet. In general, some anti-wear sheets are used more in large and small industries than others These sheets include the following:
1.Hardox anti-wear sheet
2.Weldax anti-wear sheet
3.Dorsat anti-wear sheet
4.Karbasar anti-wear sheet
5.Delido anti-wear sheet
The letters mentioned above are all trademarks of these sheets, and in the catalog tables of the anti-wear sheets, there are numbers next to them that indicate the hardness of the sheets
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.
