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Functions of steel’s rare elements in forging hot rolling ball

Source: Editor:Goldpro Visit: Release time: 2013-12-11 13:33:09

We all know that carbon, silicon, manganese and other elements in steel play a decisive role in the quality of forged steel ball and hot rolling ball, while the other elements also play an important role, such as

Nickel (Ni) can increase the strength of steel. At the same time, it can also maintain steel’s good plasticity and toughness. Nickel has high acid-base corrosion resistance, corrosion and heat resistance at high temperature. But because the nickel is a scarce resource, therefore, we should try to use other alloy elements to substitute nickel chromium Ball Mill steel.

Molybdenum (Mo) can refine the grain of steel, improve the hardenability and heat resistant performance, maintaining sufficient strength and creep resistance (creep resistance is the deformation under long-term stress and high temperature). Ball Mill Lining Plate Adding molybdenum in steel structure can improve the mechanical properties and also inhibit alloy steel’s brittleness due to the fire. Adding molybdenum in stool steel can improve the red.

Titanium (Ti) is a strong deoxidizer for steel. It can dense the steel’s internal organization, refine the grain capacity, educe the aging sensitivity and cold brittleness and improve the welding performance. Adding appropriate titanium in CR 18 Ni 9 austenitic stainless steel can avoid the intergranular corrosion.

Vanadium (V) is an excellent deoxidizer for steel. Steel with 0.5% vanadium can refine the grain size and increase the strength and toughness. Carbide vanadium and carbon formation, under high temperature and high pressure can improve the corrosion resistance of hydrogen capacity. Maintain Proper Working Conditions The carbide formed by vanadium and carbon can improve the capacity of resistance to hydrogen attack.

 

Tungsten (W) has high melting point and is a heavy, noble alloy element. Tungsten carbide formed by tungsten and carbon has high hardness and good wear resistance. Adding tungsten in tool steel can significantly increase the red hardness and heat resistance, which can be used in cutting and forging stools.


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