超级钢热轧带肋线材工业试验与生产  

Pilot Production of Super Hot Rolled Steel Rib Wires

作　　者：赵德文[1] 王晓文[1] 王国栋[1] 孙建伦[2] 任玉辉[3] 

机构地区：[1]轧制技术及连轧自动化国家重点实验室(东北大学),辽宁沈阳110004 [2]鞍山钢铁集团公司技术中心,辽宁鞍山114021 [3]鞍山钢铁集团公司线材厂辽宁鞍山,114021

出　　处：《钢铁》2005年第10期52-54,83,共4页Iron and Steel

基　　金：国家自然科学基金资助项目(50474015);国家高技术研究发展计划项目(863)资助项目(2001AA332020-03)

摘　　要：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.The pilot production of super hot rolled steel rib wires based on Q235 in diameter of Ф 6 to Ф 10 mm is presented. With adjustment of composition of Q235, the billets containing 0. 21% to 0. 25% of carbon ,0.3% to 0.4% of silicon, 0.7% to 0.8% of manganese, were successfully rolled by rational TMCP. The yield strength of the wires are up to 410 to 460 MPa with a ratio of tensile strength to yield strength at least 1.2 and average ferrite grain size reduced to 5 μm in the microstructure of ferrite and pearlite. Eight pilot productions with TMCP were performed and in total 3 100 tons wires were successfully produced.

关 键 词：超级钢带肋线材 成分微调 晶粒细化 工业试验与生产 

分 类 号：TG333[金属学及工艺—金属压力加工]