CUTTING TOOLS TYPE

In the past hundred years tool materials have improved dramatically. Until the early 20th Century high carbon steel was the only material available for manufacturing cutting tools
High Speed Steel was the next development followed by Cast Cobalt Alloys (Stellite), sintered and cemented Carbides, coatings, Ceramic, Diamond and Cubic Boron Nitride (C.B.N.). These materials will be discussed in more detail in the following sections

 HIGH CARBON STEELS
 HIGH SPEED STEELS
 (CAST COBALT ALLOY (STELLITE
 CARBIDES
 CERAMICS
 DIAMOND
 (CUBIC BORON NITRIDE (C.B.N

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