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新型压力容器用钢的热处理与性能

Heat Treatment and Mechanical Properties of New Pressure Vessel Steel

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【Author】 CUI Zhan-quan1,LI Ji-hui2,GOU Hui-yang1,ZHANG Xiang-hong1,KANG Guo-wang1,WANG Yong-fu3,WANG Hong-ming4(1.College of Materials Science and Engineering,Yanshan University,Qinhuangdao 066004,China;2.College of Information Science and Engineering,Yanshan University,Qinhuangdao 066004,China;3.Dalian Lifting Equipment Group General Company,Dalian 116000,China;4.Shan Haiguan Dockyard,Qinhuangdao 066000,China)

【机构】燕山大学材料科学与工程学院；燕山大学信息科学与工程学院；大连起重集团总公司；山海关船厂河北秦皇岛066004；河北秦皇岛066004；辽宁大连116000；河北秦皇岛066000；

【摘要】研究了新型压力容器用钢的热处理与性能。结果表明,该钢经960℃×1.5h水淬+630℃×1.5h空冷回火后,可获得最佳性能:σ0.2=640MPa,σb=740MPa,δ=21%,ψ=75%,AKV=323J,硬度203HB。室温组织为铁素体及弥散的析出物。更多还原

【Abstract】 Curve of continuous cooling transformation(CCT) of new steel used for pressure vessel was measured by using formastor thermal dilatometer.The results show that F+P are obtained with the cooling rate of 1℃/min～10℃/min;F+P+B and little M are obtained with the cooling rate of 5℃/min ～1℃/s;F+P+M are obtained with the cooling rate of 1℃/s ～2℃/s and F+M are obtained with the cooling rate of 2℃/s ～50℃/s respectively.更多还原

【关键词】压力容器用钢；热处理；组织；力学性能；
【Key words】 pressure vessel steel； heat treatment； microstructure； mechanical properties；

【文献出处】热加工工艺 ,Hot Working Technology , 编辑部邮箱 ,2005年11期

【分类号】TG161
【被引频次】3
【下载频次】220

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