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Daily Archives: February 10, 2015

M42 High Speed Steel

High Speed Steel, categorized as tool steel, is commonly used to cut tool bits, power saw blades, and bandsaw blades. Tougher than its predecessor, carbon steel, HSS is more tolerant of higher temperatures without compromising on hardness. This property allows for faster cutting rates than high carbon steels and why it is named high speed steel. There are three categories of HSS: M2, M35, and M42 steel. Of the three, M42 is widely used in the metal forming industry because its chemical composition is specially engineered for high hardness and superior hot hardness compared to the more conventional high speed steels. Properties that make M42 the better choice …

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