Abstract：Due to the characteristics and the instability of production process, it is common that the forgings of non-quenched and tempered steel have bad strength and plasticity; these can be effectively changed by normalizing, which will change the strength and plasticity matching of non-quenched-tempered steel and its morphology, and expand its scope of application. It has been found that after normalizing between 850℃ to 1150℃, the increase in normalizing temperature leads to the increase of the strength and decrease of the ductility and impact toughness, and the microstructure grain size increases also. When the normalizing temperature was above 1050℃, steel microstructure coarsened obviously. Optimal normalizing temperature is 950℃ when the microstructure was refined and the strength and plasticity were both well.
高琦，郝彦英，戴观文. 正火工艺对非调质钢48MnV组织性能的影响[J]. 中国冶金, 2014, 24(12): 44-46.
GAO Qi，HAO Yan-ying，DAI Guan-wen. Effect of normalizing technology on the structure and properties of non-quenched-tempered steel 48MnV. China Metallurgy, 2014, 24(12): 44-46.
2014, Vol. 24 
