TSCR工艺生产30CrMo热轧带钢的实践
Steel Rolling（2012）
Abstract
针对薄板坯连铸连轧流程的工艺特点,通过合理的成分设计和生产工艺优化,有效解决了脱碳和铸坯裂纹等关键技术问题,开发出了高品质的合金结构钢30CrMo热轧带钢,产品组织为细小均匀的铁素体十珠光体,夹杂物尺寸在5μm以下的占98％以上,且球化较好；带钢抗拉强度为795～950MPa,伸长率为15％～21％；带钢厚度公差控制在±25μm以内,平直度控制在±10I以内.
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Key words
30CrMo alloy structure steel,performance,thin slab casting and direct rolling,microstructure,production technology
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