Common carbide types include:
- Tungsten-cobalt cemented carbide (YG): The main components are tungsten carbide (WC) and binder cobalt (Co). This alloy has low hardness, but has high toughness, good thermal conductivity, low cutting temperature, good grindability and sharp cutting edge. It is mainly used for processing steel, cast steel and other metal materials.
- Tungsten titanium cobalt carbide (YT): The main components are tungsten carbide, titanium carbide (TiC) and cobalt. This alloy has high hardness but low bending and αk. It is mainly used for processing stainless steel, cast iron and other metal materials.
- Tungsten titanium tantalum (niobium) cobalt carbide (YW): the main components are tungsten carbide, titanium carbide, tantalum carbide or niobium carbide and cobalt. Known as universal carbide or universal carbide, it features grain refinement, improved bending, αk, bend-1 and high temperature properties while maintaining high hardness. It is mainly used for processing cast iron and non-metallic materials.
- Coated cemented carbide: A layer of coating material of a few microns is coated on the surface of cemented carbide, such as TiC, TiN, Ti(C,N), Al2O3, etc., to improve the wear resistance and corrosion resistance of the tool. and antioxidant properties.
In addition, there are cemented carbide used for cutting tools, such as P type, M type, K type, N type, S type and H type, etc. Type P is mainly used for processing long-chip materials; Type M is mainly used for processing stainless steel, cast steel, etc.; Type K is mainly used for processing short-chip materials; Type N is mainly used for processing non-ferrous metals and non-metallic materials; S Class H is mainly used for processing heat-resistant and high-quality alloy materials; Class H is mainly used for processing hard cutting materials.
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