Large scale high manganese steel alligator board produced by EPC process can meet the request of design, and use with hot remained watertoughening treatment.
消失模铸造生产大型高锰钢颚板，并按设计的工艺要求进行生产，利用余热水韧处理。
2
The method of producing the teeth of bin in power shovel by vanishing mould casting and the method of operation of watertoughening were presented.
介绍了用消失模铸造生产电铲斗齿的工艺方法以及水韧处理的操作要点。
3
The effects of watertoughening quality on the toughness at low temperature of high-manganese steel was studied using impact -tests.