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Table 4

The microhardness of ferrite and pearlite in different specimens (HV).

HCT (°C) 500 °C 550 °C 600 °C 650 °C 700 °C 750 °C 800 °C 850 °C
Ferrite 179 176 181 170 184 188 186 183
Pearlite 201 208 213 220 209 219 210 208

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