The influence of specimen dimensions,drawing ratio,radius of round angle,lubricant,height of dropping weight,etc. on SWE for some typical Baosteel IF steel sheet used in the automobile industry is studied.

• 选具有代表性的汽车用宝钢IF钢板,取不同的试验样杯尺寸、样杯拉延比、样杯圆角半径、冲制样杯时润滑剂、落锤高度等,对汽车钢板二次加工脆化试验的影响因素进行研究。