Problem $6$

You semper martensibe with $0\mathrm{.}77=$t$\backslash \%$ carben consentratios in an owen as $\backslash (450^\{\backslash$circ$\}\backslash$mathrm$\{$C$\}\backslash ).$ Using figure $\backslash (12-27\backslash )$ determine:

a$)$ The tensile istrength

b$)$ The vield strength

c$)$ The hardoss

Figure $12-27.$ Eflect of te$-$perfing temperature on the properties of eutectoid ineel.