
High - Speed Steel is composed of large amounts of W, Mo, Cr, Co, V and other elements to form high - carbon, high - alloy steel, with a carbon content (wc) of about 0.7% - 1.65%, and the total amount of alloy elements is about 10% - 25%.
Bearing steel has high hardness, high wear - resistance, and high heat - resistance. Generally, when high - speed steel is used for high - speed cutting, the cutting edge temperature rises to about 600 °C, and the hardness remains above 55HRC.
Bearing steel has high hardness, high wear - resistance, and high heat - resistance. Generally, when high - speed steel is used for high - speed cutting, the cutting edge temperature rises to about 600 °C, and the hardness remains above 55HRC.

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