Carbide grades, properties and applicable ranges
(2) tungsten titanium cobalt (WC+TiC+Co) cemented carbide (YT);Because of the hardness and melting point of TiC was higher than WC, so compared with YG, the hardness, wear resistance, hardness increases, bond high temperature, strong antioxidant capacity, and will generate TiO 2 at high temperature can reduce the adhesion. But poor thermal conductivity, low flexural strength, so it is suitable for processing steel etc. the toughness of materials.
(4) tungsten titanium tantalum cobalt (WC+TiC+TaC+Co) cemented carbide (YW);In addition to TaC YT hard alloy on (NbC), improve the bending strength, impact toughness, high hardness, anti oxygen ability and wear resistance. Both can be processed and can be made of steel, cast iron and nonferrous metals. It is often called the universal hard alloy (also known as the universal hard alloy) mainly. For the processing of heat resistant steel, high manganese steel, stainless steel and other hard materials processing.
(3) tungsten tantalum cobalt (WC+TaC+Co) cemented carbide (YA);The addition of TaC (NbC) on the basis of YG cemented carbide improves the hardness and strength, thermal shock resistance and wear resistance at room temperature, high temperature, and can be used to process Cast Iron and stainless steel
The commonly used cemented carbides are mainly based on WC, and are classified into the following categories whether or not they are added to other carbides:(1) tungsten cobalt (WC+Co) cemented carbide (YG);It consists of WC and Co which has higher flexural strength, toughness, good thermal conductivity, but heat resistance and poor wear resistance, mainly used for processing cast iron and nonferrous metals. YG hard alloy fine grain (such as YG3X, YG6X), in the same amount of cobalt, the hardness, wear resistance than YG3 YG6 high strength and toughness is poor, suitable for machining hard cast iron, austenitic stainless steel, heat-resistant alloy, hard bronze.
