65Mn钢板的强度、硬度、弹性和淬透性均高于65钢。它有过热敏感性和回火脆性的倾向,水淬有形成裂纹的倾向。退火状态的可加工性可接受,冷变形塑性低,焊接性差。中负荷板簧、螺旋弹簧和弹簧垫圈,弹簧圈直径7-20mm。高耐磨零件,如磨床主轴、弹簧夹头、精密机床螺杆、刀具、螺旋滚子轴承套圈、轨道等。




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