| 大口径连轧管机限动芯棒坯的研制 |
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| 引用本文： | 王庆亮,徐明华,王贤军.大口径连轧管机限动芯棒坯的研制[J].宝钢技术,2010(3):65-70. |
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| 作者姓名： | 王庆亮 徐明华 王贤军 |
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| 作者单位： | 宝山钢铁股份有限公司特钢事业部,上海,200940;宝山钢铁股份有限公司特钢事业部,上海,200940;宝山钢铁股份有限公司特钢事业部,上海,200940 |
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| 摘 要： | 利用宝钢特钢现有装备条件,运用相图分析、纯净化与夹杂物控制、组织形态控制、锻造过程温降控制等技术,采用炉外精炼、真空脱气、电渣重熔以及高温均质化、多向锻造、球化退火工艺成功试制了380大直径限动芯棒坯,制成的成品芯棒,显微组织均匀,横向V型缺口冲击功≥17J,使用寿命达到2500支以上,满足生产要求。
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| 关 键 词： | 大口径连轧管机 限动芯棒 碳化物 |
Development of the Retained Mendrel Blank for a Large Caliber Continuous Tube Mill |
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| WANG Qingliang,XU Minghua,WANG Xianjun.Development of the Retained Mendrel Blank for a Large Caliber Continuous Tube Mill[J].Baosteel Technology,2010(3):65-70. |
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| Authors: | WANG Qingliang XU Minghua WANG Xianjun |
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| Affiliation: | WANG Qingliang,XU Minghua and WANG Xianjun(Special Steel Business Unit,Baoshan Iron & Steel Co.,Ltd.,Shanghai 200940,China) |
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| Abstract: | Based on its existing facilities,Baosteel Special Steel Business Unit has successfully trial-produced 380 mm retained mandrel blank.Techniques such as the phase diagram analysis,steel purification,inclusion control,structural morphology control and control of temperature decreasing during forging were used and processes of secondary refining,vacuum degassing,electroslag remelting,high temperature homogenizing,multi-directional forging and spheroidizing annealing were applied in the manufacturing of the ma... |
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| Keywords: | large caliber continuous tube mill retained mandrel carbide |
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