Vol.29 SuppL.1 迟桂友等：低硅冷轧电机钢用热带的研制 ·113· 表6钢带检验结果 屈服强度 抗拉强度 试验编号 炉号 规格/mm×mm A1% 冷弯180° /MPa /MPa 组织 品粒度/级 897 5211939 2.75x480 380 480 33.5 不合 P+F,P约占5% 8.0 898 5211941 2.75×480 385 475 36.0 合格 P+F,P约占5% 8.5 899 5211940 2.75×480 360 455 34.5 合格 P+F,P约占5% 7.5 900 5211940 2.75×480 380 485 34.5 不合 P+F,P约占5% 8.5 国标50W1300标准.铸坯表面、内部没有明显缺陷， 3性能检验 热轧、冷轧钢带表面良好，特别适合小电机转子的 制造. 冷轧电机钢用热带的后续加工于北京周边相关 (3)现有的铁水资源条件下，选择低硫、低磷 厂家进行：热带经退火处理后在北京万华金属制品 铁水，冶炼过程中认真控制，能够治炼符合电机钢 公司进行酸洗，在北京治金中心（顺义）冷轧成0.5 要求的钢水，消除了长期以来有关铁水中钒、钛、 mm×480mm钢带.带钢尺寸公差、平整度和表面 铬对电机钢性能影响的疑惑 质量良好，成品于中国计量科学研究院进行小方圈 检验，检测结果详见文献[6]. 参考文献 结果表明：成品电磁和力学性能均达到GB/T [1】何忠治.电工钢.北京：治金工业出版社，1996 2521一1996中50W1300牌号的要求.成品磁感强 2]周光地.硅钢片.北京：机械工业出版社，1966 度较高，适用于小电机转子的制造. 3]王良芳.我国电工钢生产现状及发展建议.中国治金，2004， 7:16 4结论 [4]刘光穆.电工钢的生产开发现状和发展趋势.特殊钢，2005， 1(26):40 (1)在无精炼工艺条件下试制成功低牌号电机 [5]B.Y.Huang.Effect of Cold-rolling on Magnetic Properties of 硅钢用热带，打通了承钢电机钢热带的生产流程. Non-oriented Silicon Steel Sheets.Journal of Magnetism and (2)试制所得电机钢成品，其各项性能均达到 Magnetic Materials,2000,(209):198 Development and research on low silicon content cold-rolled hot strip of dynamo steel CHI Guiyou)GONG Yanling WANG Zhongcheng)ZHAO Hong LI Shiqi 1)School of Metallurgical and Ecological Engineering.University of Science and Technology Beijing.Beijing 100083,China 2)Chengde Xinxin Vanadium and Titanium Co.Ltd.,Chengde 067002,China 3)China International Engineering Consultation Co.,Beijing 100044,China ABSTRACT The middle and small electric machine rotors were studied in the condition of traditional steel- making technique in Chengdu Steel Corporation,which had no refining and electromagnetic stirring equipments. Following the reasonable technique of steelmaking,continuous casting and hot rolling,as well as the strict con- trol of the parameters of every procedure,the low silicon content cold-rolled hot strip of the dynamo steel was produced and reached the related national standard.The results show that the product of the dynamo steel reaches the international standard of 50W1300.There are no interior and exterior defects on the billet steel and the cold-rolled and hot-rolled strips are better on the surface,which is fit for the producing of small electric machine rotors. KEY WORDS cold-rolled dynamo steel;hot strip;industry trial manufactureVol.29 Suppl.1 迟桂友等：低硅冷轧电机钢用热带的研制 • 113 • 表 6 钢带检验结果 试验编号 炉号 规格 / mm × mm 屈服强度 / MPa 抗拉强度 / MPa A / % 冷弯 180º 组织 晶粒度 / 级 897 5211939 2.75 × 480 380 480 33.5 不合 P + F，P 约占 5% 8.0 898 5211941 2.75 × 480 385 475 36.0 合格 P + F，P 约占 5% 8.5 899 5211940 2.75 × 480 360 455 34.5 合格 P + F，P 约占 5% 7.5 900 5211940 2.75 × 480 380 485 34.5 不合 P + F，P 约占 5% 8.5 3 性能检验 冷轧电机钢用热带的后续加工于北京周边相关 厂家进行：热带经退火处理后在北京万华金属制品 公司进行酸洗，在北京冶金中心(顺义)冷轧成 0.5 mm × 480 mm 钢带．带钢尺寸公差、平整度和表面 质量良好．成品于中国计量科学研究院进行小方圈 检验，检测结果详见文献[6]． 结果表明：成品电磁和力学性能均达到 GB/T 2521⎯1996 中 50W1300 牌号的要求．成品磁感强 度较高，适用于小电机转子的制造． 4 结论 (1) 在无精炼工艺条件下试制成功低牌号电机 硅钢用热带，打通了承钢电机钢热带的生产流程． (2) 试制所得电机钢成品，其各项性能均达到 国标 50W1300 标准．铸坯表面、内部没有明显缺陷， 热轧、冷轧钢带表面良好，特别适合小电机转子的 制造． (3) 现有的铁水资源条件下，选择低硫、低磷 铁水，冶炼过程中认真控制，能够冶炼符合电机钢 要求的钢水，消除了长期以来有关铁水中钒、钛、 铬对电机钢性能影响的疑惑． 参 考 文 献 [1] 何忠治．电工钢．北京：冶金工业出版社，1996 [2] 周光地．硅钢片．北京：机械工业出版社，1966 [3] 王良芳．我国电工钢生产现状及发展建议．中国冶金，2004， 7：16 [4] 刘光穆．电工钢的生产开发现状和发展趋势．特殊钢，2005， 1(26)：40 [5] B．Y．Huang．Effect of Cold-rolling on Magnetic Properties of Non-oriented Silicon Steel Sheets．Journal of Magnetism and Magnetic Materials，2000，(209)：198 Development and research on low silicon content cold-rolled hot strip of dynamo steel CHI Guiyou1,2), GONG Yanling2), WANG Zhongcheng1,3), ZHAO Hong1), LI Shiqi1) 1) School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China 2) Chengde Xinxin Vanadium and Titanium Co. Ltd., Chengde 067002, China 3) China International Engineering Consultation Co., Beijing 100044, China ABSTRACT The middle and small electric machine rotors were studied in the condition of traditional steel￾making technique in Chengdu Steel Corporation, which had no refining and electromagnetic stirring equipments. Following the reasonable technique of steelmaking, continuous casting and hot rolling, as well as the strict con￾trol of the parameters of every procedure, the low silicon content cold-rolled hot strip of the dynamo steel was produced and reached the related national standard. The results show that the product of the dynamo steel reaches the international standard of 50W1300. There are no interior and exterior defects on the billet steel and the cold-rolled and hot-rolled strips are better on the surface, which is fit for the producing of small electric machine rotors. KEY WORDS cold-rolled dynamo steel; hot strip; industry trial manufacture