宝钢纯净钢生产技术的进步
Progress of Production Technology of Clean Steel at Baosteel
论述了钢中碳、氮、氧、磷、硫以及夹杂物控制方面的技术进步，讨论了IF钢、管线钢所达到的纯净度纵使水平。
The progress in control technology of carbon, nitrogen, total oxygen, phosphorus, sulphur as well as inclusions in steel is discussed at Baosteel. The purity obtained in IF steel and pipeline steel is introduced.
Baosteel / clean steel / IF steel / pipe line steel / steelmaking
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