Marking of case hardening structural steel
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After grouting of structural steel should have hanged the surface hardness with a relatively viscous, but rather a solid core (otherwise cemented layer will distort). In addition, you should provide a good workability of steel, as by cutting, and pressure.
For alloy steels important as the composition of alloying elements. In this case, even when a relatively small percentage of carbon (not more than 0,1…0,2%) such steel after hardening acquire sufficient strength and firmness. Of all the alloying elements hardenability case hardening steels more than just increase chromium and chromium combined with Nickel. So, chromium structural steel calcined through when the workpiece diameter up to 50 mm and stainless up to 150 mm.
A feature of the carburizing of alloy steels is their ability to acquire increased hardness at lower cooling rates. Therefore, such steel after hardening is cooled, not water, and butter. When it is lowered and the warping (which is important for products with a complex configuration).
The company Electrocentury-steel offers to buy at affordable prices the manufacturers of various brands and range of case hardening alloy steels. The supplier provides timely delivery of metal products to any place specified by the customer.
The most common brands of constructional alloy steels which are subjected to carburization
When alloying steel with molybdenum, titanium, boron and Nickel, the increase in heating time and aging does not affect the grain size. Therefore, grouting is most often used steel 15X, 20X, 18 KHGT, 25KHGT, 20KHGNR, 20KHN, 20KH2N4A, etc.
It is also important the presence in the chemical composition of steel carbidopa elements. These are titanium, manganese, tungsten, molybdenum and vanadium, which form different structures of the carbides. At the same alloying elements as carbon, out of solid solution. Particularly effective on molybdenum, so the percentage of molybdenum structural steels (e.g., steel 25KHGM, 15KHM, 14Х2Н3МА, etc.) subjected to carburizing, is constantly increasing.
To effectively increase the hardness and wear resistance surfaces used grouting of structural steel containing chrome: 12H13, 12X17, etc.
Buy at affordable prices from the manufacturer rolled alloy case hardening steel offered by the company Electrocentury-steel. Supplier ensures prompt delivery of products to any destination set by the client.