Control Measures and Effect Analysis of Hydrogen Content During the Electroslag Remelting of 316H steel
In order to reduce hydrogen pick-up during the electroslag remelting,taking 316H steel as the research object,the influence of the initial hydrogen content,slag composition and air humidity of the consumable electrode were analyzed,and on this basis,the corresponding improvement measures were put forward.After putting these measures into practice,the hydrogen increment amount was decreased from the original average 2.2×10 to the average 1.3×10-6 below,and the average hydrogen content in the electroslag ingot was reduced by 0.9×10-6,reaching a reduction rate of 41％.The hydrogen increment amount of the electroslag ingot was effectively controlled.
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