炼钢任务原材料和耐火材料

1、1会计学炼钢任务原材料和耐火材料炼钢任务原材料和耐火材料2022-5-1/5:42:3322022-5-1/5:42:3432022-5-1/5:42:3442022-5-1/5:42:3452022-5-1/5:42:3462022-5-1/5:42:347Mn/SMn/S比对低碳钢热延展性的影响比对低碳钢热延展性的影响 2022-5-1/5:42:3482022-5-1/5:42:3592022-5-1/5:42:35102022-5-1/5:42:35112022-5-1/5:42:35122022-5-1/5:42:35132022-5-1/5:42:36142022-5-1/5:42

2、:36152022-5-1/5:42:36162022-5-1/5:42:3617点和发纹。2022-5-1/5:42:36182022-5-1/5:42:37192022-5-1/5:42:37202022-5-1/5:42:37212022-5-1/5:42:37222022-5-1/5:42:37232022-5-1/5:42:37242022-5-1/5:42:38252022-5-1/5:42:38262022-5-1/5:42:38272022-5-1/5:42:38282022-5-1/5:42:38292022-5-1/5:42:38302022-5-1/5:42:383120

3、22-5-1/5:42:38322022-5-1/5:42:38332022-5-1/5:42:39342022-5-1/5:42:39352022-5-1/5:42:39362022-5-1/5:42:3937到较高的温度。2022-5-1/5:42:39382022-5-1/5:42:39392022-5-1/5:42:40402022-5-1/5:42:40412022-5-1/5:42:40422022-5-1/5:42:40432022-5-1/5:42:4044通常铁水中的硅含量为0.30%-0.60%为宜。2022-5-1/5:42:40452022-5-1/5:42:41462

4、022-5-1/5:42:41472022-5-1/5:42:41482022-5-1/5:42:41492022-5-1/5:42:41502022-5-1/5:42:41512022-5-1/5:42:42522022-5-1/5:42:42532022-5-1/5:42:42542022-5-1/5:42:42552022-5-1/5:42:42562022-5-1/5:42:42572022-5-1/5:42:42582022-5-1/5:42:43592022-5-1/5:42:43602022-5-1/5:42:43612022-5-1/5:42:43622022-5-1/5:42

5、:43632022-5-1/5:42:43642022-5-1/5:42:4365%.3 . 0%,15. 0%,3%,523232 OHSOAlOFeMgO）电电炉炉%2(%5 . 3%,852 SiOCaO2022-5-1/5:42:44662022-5-1/5:42:4467 42222SiFCaOCaFSiO2022-5-1/5:42:44682022-5-1/5:42:4469%,06. 0%,10. 0%,0 . 5%,8522 PSSiOCaF2022-5-1/5:42:44702022-5-1/5:42:44712022-5-1/5:42:4472。%0 . 2%,29%,20

6、2 SiOCaOMgO2022-5-1/5:42:4473钢或高硫钢时才稍用多一些。2022-5-1/5:42:45742022-5-1/5:42:4575挥发分1.0%，S0.5%，水分0.5%，粒度在1-5mm。2022-5-1/5:42:45762022-5-1/5:42:457775%。氧化铁皮还有助于化渣和冷却作用，使用时应加热烘烤，保持干燥。2022-5-1/5:42:46782022-5-1/5:42:46792022-5-1/5:42:46802022-5-1/5:42:46812022-5-1/5:42:46822022-5-1/5:42:46832022-5-1/5:42:47842022-5-1/5:42:47852022-5-1/5:42:47862022-5-1/5:42:47872022-5-1/5:42:47882022-5-1/5:42:47892022-5-1/5:42:47902022-5-1/5:42:47912022-5-1/5:42:4792谢谢 谢谢(to be continuous)2022-