研究了包钢重轨钢从转炉出钢到结晶器各个工序过程(未经VD真空处理)钢液中氢含量变化。
The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould(without the VD refining process).
根据包钢重轨钢的冶炼条件,采用VD真空处理降低钢液中氢含量是完全必要的。
According to smelting condition of Baotou iron and steel group, VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
采用进口模具钢真空处理。
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