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马鞍山钢铁股份有限公司第四钢轧总厂,马鞍山,204302
[ "焦兴利(1970-),男,博士生,高级工程师,炼钢工艺研究。" ]
收稿:2009-11-13,
网络首发:2022-11-07,
纸质出版:2010-11-07
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焦兴利, 王泉. 高强度管线钢精炼渣系的开发与实践[J]. 特殊钢, 2010,31(3):27-29.
焦兴利, 王泉. Development and Practice of Refining Slag Series for High Strength Pipe Line Steels[J]. Special Steel, 2010, 31(3): 27-29.
焦兴利, 王泉. 高强度管线钢精炼渣系的开发与实践[J]. 特殊钢, 2010,31(3):27-29. DOI:
焦兴利, 王泉. Development and Practice of Refining Slag Series for High Strength Pipe Line Steels[J]. Special Steel, 2010, 31(3): 27-29. DOI:
根据马钢生产高强度管线钢的需求
结合CaO-Al
2
O
3
-SiO
相图12CaO·7Al
生成区域
开发了管线钢用钢包精炼渣系(%:55~60CaO、7~12SiO
、25~30Al
、4~8MgO)。300 t LF精炼实践表明
该精炼渣的平均脱硫率为73.2%
钢中终点硫含量可控制在0.002%以下;而且该渣系具有较好的吸收夹杂物的能力
精炼后钢中Alt-Als含量较低
为0.002%~0.013%。
According to the requirement of production for high strength pipe line steels at Masteel and combined with the forming region of 12CaO
7 Al
of CaO-Al
phase diagram
the ladle refining slag series ( % : 55 - 60CaO
7 〜12SiO
25 ~ 30Al
4 〜8MgO) for pipe line tube has been developed and applied. 300 t LF refining practice shows that with using the refining slag series
the average desulphurization rate is 73. 2%
the end sulphur content in steel is controlled less than 0. 002% ; and the slag series has nice capability to absorb inclusions
the Alt - Als content in steel is lower
i.e
0. 002% -0.013%.
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