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What is the Vicker’s hardness of steel before the HPF process?(a) 150 Hv(b) 160 Hv(c) 170 Hv(d) 180 Hv |
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Answer» Right option is (c) 170 Hv For explanation: The HPF process in steels is considered to be a very important process, it involves heating the steel to high temperatures. The Vickers hardness of steel before HPF process is 170 Hv. |
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