When it comes to cutting tool material, the first one we may think of is high speed steel, as it is a cheaper alternative for general use. However, sintered tungsten carbide cutting tools are more abrasive and can withstand higher temperatures than standard high speed steel (HSS) tools, which makes it more suitable for stainless steel cutting. Cemented carbide can be classified as tungsten-cobalt alloy (YG) and tungsten-cobalt titanium alloy (YT). Tungsten cobalt alloy has good toughness and the cutting tools made from it can be made with a larger rake angle and a sharper edge. During the cutting process, the chips are easily deformed, the cutting is light, and the chips are not easy to stick. Therefore, the tungsten cobalt alloy is more suitable for stainless steel processing. Tungsten cobalt titanium alloy has good red hardness and is more abrasive than tungsten cobalt alloy, but it is brittle and cannot withstand impact and vibration, and it is generally used as stainless steel finishing tool.
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