Description and properties of tungsten carbide rings
tungsten carbide rings is a powder metallurgy roll made of tungsten carbide and cobalt. Hard alloy roll has integral type and combination type.
tungsten carbide rings is a powder metallurgy roll made of tungsten carbide and cobalt. Hard alloy roll has integral type and combination type.
tungsten carbide rings have high hardness, and the hardness value is rather small, along with the change of temperature of 700 ℃ when the hardness value is four times that of high speed steel; And elastic modulus, compressive strength, bending strength, thermal conductivity is also 1 times higher than tool steel. Due to the high thermal conductivity of the hard alloy roll, the heat dissipation effect is good, so that the surface of the roll is at high temperature for a short time, so that the high temperature reaction time between the roll and the harmful impurities in the cooling water is short. Therefore, the carbide roll is more resistant to corrosion and cold and hot fatigue than tool steel roll.
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