Abstract
Medium-carbon steels microalloyed with vanadium and titanium were produced with the aim of obtaining strong, wear-resistant and low-cost materials. After austenitization at temperatures up to 1200°C the austenite grains remain fine and the resulting pearlite structure was also fine. This resulted in enhanced tensile strength and hardness but the ductility remained typical for ordinary pearlitic structures. Other specimens austenitized at 1100°C and treated isothermally at 275°C in sand container obtained the tensile strength above 1800 MPa and the area reduction slightly below 20%. Taking into account the simplified processing technology it may be stated that the aim of this project was achieved.
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