实施例1的钢板的金相组织图。从图中可以看出，按照本发明的配方和方法生产的钢板晶粒较细小，组织均匀，没有混晶、明显的带状组织，这样的钢板的机械性能良好并且比较稳定。[0065]实施例2
[0066]将原料按照目标成分配比，经过铁水预处理、铁水冶炼、LF炉精炼、RH炉真空脱气处理和连铸后，得到的连铸坯的厚度为300mm。
电磁阀-直动型三口二位
EP-08W-3C-53-Z-04 EP-22M-3C-53-Z-04
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[0067]连铸坯加热过程中，连铸坯的出炉温度为1216°C，加热时间为373分钟。连铸坯的化学成分的质量百分含量包括:C0.17%、Si0.44%、Mnl.44%、P0.011%、S0.003%、V0.023%、Nb0.022%、Als0.024%、Ti0.011%和 Ca0.0015%，余量为 Fe 和不可避免的杂质。