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A novel low-carbon micro-alloyed steel has been developed with ultrahigh strength (UTS ~ 1700 MPa), satisfactory ductility (total elongation ~ 13%) and impact toughness (25 J/cm2 at − 40 °C) for light-weight applications in automobile, aerospace and defence sectors. The effect of finish rolling temperatures (850–750 °C) and cooling rate (air cooling versus water quenching) on the evolution of microstructure...
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