Hard alloy is a kind of alloy material made of hard compound of refractory metal and bonding metal by powder metallurgy process.

Hard alloy has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance, especially its high hardness and wear resistance, even at the temperature of 500℃ is basically unchanged, at 1000℃ still has a high hardness.

Hard alloy is widely used as tool materials, such as turning tool, milling cutter, planer, drill, boring tool, etc., for cutting cast iron, non-ferrous metals, plastics, chemical fiber, graphite, glass, stone and ordinary steel, can also be used to cut heat-resistant steel, stainless steel, high manganese steel, tool steel and other difficult materials.

Hard alloy has high hardness, strength, wear resistance and corrosion resistance, known as the "industrial teeth", used in the manufacture of cutting tools, tools, cobalt and wear-resistant parts, widely used in military, aerospace, mechanical processing, metallurgy, oil drilling, mining tools, electronic communications, construction and other fields, with the development of downstream industry, hard alloy market demand is increasing. In addition, the development of high-tech weapons and equipment manufacturing, advanced science and technology and the rapid development of nuclear energy will greatly improve the demand for carbide products with high technology content and high quality and stability.