转炉生产热锻非调质钢F40MnV的工艺实践  

Process Practice of Hot Forging Microalloying Steel F40MnV by Converter

作　　者：戴观文[1] 梁玫[1] 武云峰[1] 刘宪民[1] 毛天荣[1] 陈思联[2] 王新华[3] 

机构地区：[1]石家庄钢铁有限责任公司,石家庄050031 [2]钢铁研究总院,北京100081 [3]北京科技大学,北京100083

出　　处：《特殊钢》2005年第3期57-58,共2页Special Steel

摘　　要：采用55t转炉+ 60t钢包精炼炉,1 50mm×1 50mm 4流弧形连铸机,短应力连轧机组生产Φ2 5mm非调质钢F40MnV( % :0. 3 9～0 .43C ,1 .2 0～1 .3 6Mn ,0 . 0 7～0 . 1 0V ,0 . 0 0 9～0 .0 2 4P ,0 . 0 1 1～0 . 0 1 8S)。钢中氧含量[O]为( 1 8 .8～2 0 .5)×1 0 - 6 ,[N]为( 3 5. 2～53 . 2 )×1 0 - 6 。钢的化学成分、力学性能、纯洁度、高低倍组织均达到标准和用户要求。为控制钢中N含量可选择加VN合金,在微合金化时增氮。The Φ25 mm bar of microalloying steel F40MnV - 0.39～0.43C, 1.20～1.36Mn, 0.07～0.10V, 0.009～0.024P, 0.011～0.018S was produced by a 55 t converter + 60 t ladle refining furnace, 150 mm×150 mm 4 strand concaster, short- stressed continuous rolling mill strain process. Oxygen content in steel was (18.8～20.5)×10 -6 and was (35.2～53.2)×10 -6 . The chemical compositions, mechanical properties, cleanliness and micro- and macrostructure of steel are all up to the requirement of standard and the demand of customers. VN alloy shall be selected adding during microalloying of steel to increase the nitrogen content.

关 键 词：非调质钢 工艺实践 转炉生产 热锻 钢包精炼炉 弧形连铸机 25mm 连轧机组 化学成分 力学性能 用户要求 低倍组织 VN合金 微合金化 短应力 氧含量 纯洁度 可选择 N含量 增氮 

分 类 号：TF761[冶金工程—钢铁冶金]