Which tungsten carbide is more wear-resistant? The smaller the particle size of tungsten steel, the higher the hardness, the more wear-resistant it is.
Mainly depends on the use conditions, the most wear-resistant cemented carbide materials may be more brittle, so it is not necessarily able to use.
Cemented carbides can be divided into several types according to their hardness and toughness, such as yg8, yg15, etc. The type does not have a great impact on the service life. It is possible for your family to use high-speed steel (peak steel) which contains a little tungsten but not tungsten steel.
Cemented carbide is sintered by powder metallurgy process with tungsten carbide as the main body and cobalt or other bonded metals. Its tungsten content is generally over 80%.
Tungsten steel is a kind of cemented carbide. Tungsten steel is melted by adding ferrotungsten to molten steel in steelmaking process as tungsten raw material, also known as high-speed steel or tool steel, whose tungsten content is generally 15-25%.
Wear resistance of cemented carbide is determined by its grain size and cobalt content. The finer the grain size, the lower the cobalt content, the higher the hardness. On the contrary, the lower the hardness. It should be mentioned that the choice of wear-resistant cemented carbide should not only depend on the hardness, but also on the requirements of its use. It is relatively high, but if the impact operation is frequent under working conditions, the toughness should be taken into account, but the toughness and hardness are in conflict with each other. In this case, the YG type fine grained alloy can be considered.
As for which kind of cemented carbide is the most wear-resistant, in fact, it mainly depends on the use conditions. The most wear-resistant cemented carbide material may be more brittle, so it is not necessarily used. Under the same conditions, generally speaking, the smaller the particle size of tungsten steel, the higher the hardness, the more wear-resistant it is. If some materials are chosen, such as domestic materials:
YG3 > YG6 > YG8 > YG15 > YG20. The imported materials are divided into V series, K series and so on.
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