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一、钢包喷吹技术的应用,稀土处理钢面临喷钙处理的竞争自1968年稀土有效地作为低合金高强度钢的硫化物控制元素,保证了钢的冷成型性以来,稀土在钢中的应用得到了突破
First, the application of ladle blowing technology, rare earth treatment of steel facing the competition of calcium spray treatment Since 1968 rare earth effectively as a low-alloy high-strength steel sulfide control elements to ensure the cold forming of steel since the rare earth in the steel Application has been a breakthrough