摘要
通过对国内某钢厂生产的B(PSL1)高品质石油管线钢钙处理前后钢中夹杂物类型的变化研究,从热力学上分析了钢中Al2O3夹杂的变性机理及夹杂物中CaS含量较高的原因。研究结果表明现有工艺条件下,喂入的硅钙线可以将Al2O3夹杂变性为炼钢温度下呈液态的12CaO.7Al2O3夹杂。同时,也可以将MnS完全变性为CaS,但钢中有大量单独的CaS生成。
A investigation was carried on the variations of inclusion types in B（PSL1） steel before and after calcium treatment. The modification mechanism of Al2O3 and high level of CaS was analyzed by thermodynamics. The results show that Al2O3 can be modified into 12CaO·7Al2O3 inclusions which are liquid at steelmaking temperature, while majority of CaS were generated,and MnS can be completely modified partially into CaS under the present amount of CaSi wire fed.
出处
《炼钢》
CAS
北大核心
2013年第1期57-60,共4页
Steelmaking
