The tube bloom made by this method has given out the same physical and chemical test results as that made by basic open-hearth furnace + vacuum degassing process + ESR process.
采用碱性平炉+ ESR(电渣重熔)法生产高强韧管坯，能完全满足管坯的各项技术要求，各项理化检测结果与采用碱性平炉+真空除气+ ESR法生产的同类管坯水平基本相当。
Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。
Most of the steel for line pipe is made by open-hearth, electric furnace, and basic-oxygen processes.
大部分建管道用管子的钢材由平炉、电炉和碱性顶吹转炉生产。
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