The steel industrial refractory materials and ...
2012-3-9 · Electric furnace steelmaking, dc arc furnace bottom electrode conductive material using life is not high, and still need imports. Foreign service life of 13600 furnace times, China reached only 3,000 furnace times. For the steel rod structure bottom electrode, foreign life reached 50 furnace times, China has to 2000 furnace times.
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