“炼钢转炉小烟道焊接工艺改进的工作由我们精铆班来完成,时间要快……”班长的话音刚落,大家七嘴八舌的议论开了:“又要赶时间,又要保证质量……”小烟道是首钢水钢炼钢转炉非常重要的一个配件,在高温和长时间使用过程中,易变形、漏水。焊接时的电流不好掌握,焊材的选用也很考人,如果焊材与母材不能完全融合,就会出现气孔和夹渣等现象……刘刚暗下决心,一定要搞个“小动作”来解决这个棘手的 “Steel converter small flue welding process improvement work by our precision riveting class to complete, time is faster ... ” squad leader’s voice faded, everyone rushes open the argument: “And in a hurry , But also to ensure the quality ... ... ”Small flue Shougang Shougang steel converter is a very important part of the high temperature and prolonged use, easy to deform, leaking. Welding current is not good to grasp the selection of welding consumables are also very people, if the welding consumables and the parent material can not be fully integrated, there will be stomatal and slag inclusions and other phenomena ... ... Liu Gang secretly determined, we must engage in a "To solve this tricky