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生产超低硫大钢锭技术的开发被认为是最近十年左右炼钢的主要进展[1]。本研究充分发挥电渣冶金的强制脱硫优势,开发了重熔百吨以上锻件用大型电渣锭获得超低硫(≤0.0020％)的电渣重熔技术。将其应用于200t电渣炉,迄今已连续生产不同钢种90～180t重的电渣锭数十根,最大锻件约130t。所有产品中的硫含量都不超过0.0020％,部分产品低达0.0005％。应用所开发的超低硫技术,不会使生产成本增加。
The development of the technology for producing ultra-low sulfur ingot is considered as the main progress of steelmaking in the recent decade [1]. This study gave full play to the advantages of forced desulfurization of electroslag metallurgy and developed the ESR technology of ultra-low sulfur (≤0.0020%) by remelting more than one hundred tons of forgings with large ESR ingots. Its application to 200t electroslag furnace, so far has been the continuous production of different types of 90 ~ 180t weight of electroslag ingot dozens, the maximum forging of about 130t. All products in the sulfur content of not more than 0.0020%, some products as low as 0.0005%. Application of ultra-low sulfur technology developed, will not increase the cost of production.