Abstract

High-strength low-alloy steels have been studied extensively in recent years. Vanadium and/or niobium containing low carbon steels have demonstrated superior mechanical properties through controlled rolling. In the present investigation, the effect of thermomechanical treatment on the mechanical properties of a titanium bearing low carbon steel has been studied. The tensile and impact properties of this steel are related to the microstructures introduced by various rolling schedules.It has been found that it is possible to obtain a steel with 36% elongation to fracture, 401 MPa yield strength, 494 MPa tensile strength, and an impact transition temperature of 213K through controlled rolling.

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