Maximum Achievable Hardness Of Engineering Steels , (like En8,en19,en24,d2,ohns)?

what are all the maximum achievable hardness of steels in HRC?
Posted: May 10, 2013

Best Answer

Under C scale, 120° diamond V cone indenter and 150 kgf load (140 kgf with additional load of 10 kgf) will go up to 68 HR
Under B scale, with indenter of 1.5675mmΦ steel ball and 100 kgf load (90 kgf with additional load of 10 kgf) will go up to 99.9 HR

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