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The microstructure of the samples taken for tests after rolling with a relative deformation ε = 0.18, Cooling variant I: (a) X2CrNiMo17-12-2 steel for av = 1.0, (b) 10CrMo9-10 steel for av = 1.0, (c) X2CrNiMo17-12-2 steel for av = 0.75, (d) 10CrMo9-10 steel for av = 0.75; Cooling variant II: (e) X2CrNiMo17-12-2 steel for av = 1.0, (f) 10CrMo9-10 steel for av = 1.0, (g) X2CrNiMo17-12-2 steel for av = 0.75, and (h) 10CrMo9-10 steel for av = 0.75.
