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bacha 01-09-2012
bacha - Chhattisgarh Swami Vivekanand Technical University
"It is harder than the workpiece,it retains hardness at high temperatures, it has impact resistant, and it is chemically inert."
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kali 01-09-2012
kali - National Institute of Industrial Engineering
It resists wear and thermal shock, it has impact resistant, and it is chemically inert.
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