摘要：设计和开发了压路机振轮用耐磨钢NM360(/%:0.10~0.15C,0.50-1.S0Mn,≤0.00IP,≤0008S,0.20~0.50Mo,0.015~0.03Nb,0.018~0.15Ti,≥0.035Als,0.0012~0.0030B,≤0.008N,≤0.0003H,≤0.0030)32mm板。900C淬火+200C回火后,该钢组织为回火马氏体;抗拉强度1150-1182MPa,延伸率15%-17.5%;冲击功150~226J;表面HBW布氏硬度值385-402;冷弯直径为32mm，冷弯角度45°.900150*和180°冷弯试验全部合格;采用GM120焊丝焊接后,焊接接头抗拉强度为1052MPa,焊縫冲击功为58~63J,焊繾HV硬度值390~396。关键词：NM360钢；振轮；焊接性；冷弯性 下载高清全文——高品质压路机振轮用耐磨钢NM360的开发.pdf