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The pressure in the furnace chamber of the vacuum furnace can be pumped into an industrial furnace whose pressure is lower than atmospheric pressure. The vacuum furnace is heated by electricity, and the surface of the heated workpiece is not oxidized or decarburized, with small deformation and good
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1. The cost competitiveness of electric furnace steelmaking is not strongSince 2000, the proportion of my country's electric furnace steel output has fallen from the highest 17.6% in 2003 to 6.1% in 2015, and the development speed is obviously lagging behind that of converter steelmaking. The bigges
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