Which of the following statement is wrong?

Question

Options:

A . The diamond is the hardest tool material and can run at cutting speeds about 50 times that of high speed steel tool

B . The ceramic tools can be used at cutting speeds 40 times that of high speed steel tools

C . The cemented carbide tools can be used at cutting speeds 10 times that of high speed steel tools

D . The ceramic tools can withstand temperature up to 600°C only

Answer: Option D

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