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对成品直径为φ6~φ10 mm的Q235钢热轧带肋超级钢线材进行了研究.经成分微调,采用碳的质量分数为0.21%~0.25%,硅的质量分数为0.3%~0.4%,锰的质量分数为0.7%~0.8%的钢坯及合理的控轧控冷工艺制度,使屈服强度提高到415~460 MPa,抗拉强度与屈服强度比值大于1.2,线材产品的晶粒尺寸达到5 μm,金相组织为珠光体加铁素体.经8次控轧控冷工业试验已在国内成功轧制上述超级钢线材3100 t.

参考文献

[1] WENG Yu-qing.Development of Ultrafine Grained Steels in China[A].The Chinese Society for Metals,北京,2001:1.
[2] Matsumura Y;Yada H .Evolution of Ultrafine-grained Ferrite in Hot Successive Deformation[J].Transactions of the Iron and Steel Institute of Japan,1987,27:492-498.
[3] Kohlmann R;Kruse M;Meyer M.Optimization of Materials Properties for Bars and Wire Rod[J].MPT International,2002(02):56-62.
[4] 国内首批超级钢线材轧制成功[N].鞍钢日报,2003-12-09.
[5] M. Niikura;M. Fujioka;Y. Adachi;A. Matsukura;T. Yokota;Y. Shirota;Y. Hagiwara .New concepts for ultra refinement of grain size in super metal project[J].Journal of Materials Processing Technology,2001(3):341-346.
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