The effect factors of sulfide and oxide in LZ50 axle-steel for railway vehicle are analyzed. The control measures of reducing sulfide and oxide, insuring clean steel are put forward.

• 对铁道车辆用LZ50车轴钢中硫化物夹杂、氧化物夹杂的影响因素进行了分析,并据此提出了降低钢中硫化物、氧化物夹杂,确保钢质纯净的措施。