1) High-speed tool steel (referred to high-speed steel, front steel, etc.), sub-general and special high-speed steel two purposes.
It has the following characteristics:

a, the content of alloying elements tungsten, chromium, molybdenum, vanadium higher quenching hardness up to HRC62-70. At 600 ℃ high temperature, to maintain a higher hardness.
b, good edge strength and toughness, high vibration resistance, can be used to manufacture cutting tools in general, poor machine for steel, high-speed steel cutter, still smooth cutting.
c, process performance, forging, machining and grinding are relatively easy, can also create more complex shapes tool.
d, compared with carbide materials, still lower hardness, red hardness and wear resistance of the poor and other shortcomings.

2) Carbide: metal carbide, tungsten carbide, titanium and cobalt-based metal binder by powder metallurgy process made of.
Its main features are as follows:
a, high temperature, at 800-1000 ℃ still maintain good cutting performance, can be used 4-8 times higher than that of high-speed steel cutting speed cutting.
b, high-temperature hardness, good wear resistance.
c, low flexural strength, impact toughness is poor, easy to wear very sharp blade.