铸造技术2011，Vol.32Issue(1)：43-45,3.
Q420钢中非金属夹杂物的分析
Study on Non-metallic Inclusions in Q420 Steel
杨锦 1胡波 2张炯明 1张建春 3谢朝阳 1吴苏州 1赵新宇1
作者信息
- 1. 北京科技大学冶金与生态工程学院,北京100083
- 2. 中冶连铸技术工程股份公司,湖北武汉430080
- 3. 宝钢集团一炼钢铸造分厂,上海201900
- 折叠
摘要
Abstract
For analyzing the composition and distribution of inclusion in the steel ingot, the experimental samples of the Q420 steel were sampled at the locations of the riser, the top of the ingot, the middle and bottom of the mold cast ingot. The result showed that the inclusion index was between 2.09 and 4.98 (pron/mm2 ), the microscopic inclusions in the middle of ingot is less than other parts. The content of large inclusions in the ingot were between 5.7 and 22.5 mg/10 kg,which composed mainly by SiO2, Al2O3 and a little Na2O and K2O. The large sized inclusions were mainly from the mold slag used during pouring and its content in the bottom of the ingot is much higher than that in the other parts.关键词
Q420钢/夹杂物/钢锭分类
金属材料引用本文复制引用
杨锦,胡波,张炯明,张建春,谢朝阳,吴苏州,赵新宇..Q420钢中非金属夹杂物的分析[J].铸造技术,2011,32(1):43-45,3.
