用堆底法加回渣引弧生产微铬的试验

TEST OF PRODUCING EXTRA-LOW CARBON FeCr BY BOTTOM CHARGING SiCr AND ARCING WITH RETURNED SLAG

介绍了用堆底法加回渣引弧生产微铝合金的试验情况，分析了试验降碳未达预期目的原因，指出热兑法还是目前生产微铬合金的好方法。

It introduces the trial conditions of producing extra-low carbon FeCr bybottom charging SiCr and arcing with returned slag. It analyses why the carbon contents in metals were unexpected. It concludes that perrin-process is a good way to produce extra-low carbon FeCr at present.