Abstract��The sulfur-bearing gear steel for automobiles with total content of oxygen less than 20��10��6 and sulfide inclusion less than class 2.0 was produced through ��ultra high power electric-arc furnace smelt��secondary refining vessel��vacuum degassing��continuous casting�� process by taking a series of measures�� such as spraying carbon powder during EAF tapping�� adjusting de-oxidation process�� calcium treatment at appropriate stage�� reasonable sulfur adjustment process and static stirring before casting. Moreover�� the optimal calcium treatment process for sulfur-bearing gear steel was obtained. The problem of nozzle blocking in continuous casting was solved.
����ϼ�������Σ���ϲ��. �����������ִָ����ȿ���[J]. �й������ڿ���, 2016, 34(4): 17-21.
LI Run-xia��GU Wen-tao��HU Xi-jun. Purity control of sulfur-bearing gear steels for automobiles. Chinese Journal of Iron and Steel, 2016, 34(4): 17-21.
2016, Vol. 34 
