发布时间:2025-01-30 04:29:49
M24高强度螺栓:
10.9S时,它的屈服强度为940MPa,可受拉力为:
F=940*3.14*20.752^2/4=317773N=317.773KN
8.8S时,它的屈服强度为660MPa,可受拉力为:
F=660*3.14*20.752^2/4=223117.4N=113.117KN
用高强度钢制造的,或者需要施以较大预紧力的螺栓,皆可称为高强度螺栓。高强度螺栓多用于桥梁、钢轨、高压及超高压设备的连接。这种螺栓的断裂多为脆性断裂。应用于超高压设备上的高强度螺栓,为了保证容器的密封,需要施以较大的预应力。
先锋油汀用过二、三年后暖气片温度不高,开关旋钮调好一直没动过温度
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