螺栓M 螺母S 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螺栓、螺母扭矩推荐值强度等级4.86.88.810.912.9镍铬钼合金钢镍铬钼合金钢最小破断强度392Mpa588Mpa材质 一般结构钢机械结构钢铬钼合金钢784Mpa3、拆松扭矩值为锁紧扭矩值的1.5～2倍。 例如：上例锁紧扭矩320KGM，则其拆松扭矩约为320×(1.5～2)=480～640KGM扭矩值1、以上是德国工业标准，表中扭矩值为螺栓达到屈服极限的70%时所测定。2、建议锁紧扭矩值为：表中数据×80%。 例如：M48，8.8级螺栓，则锁紧扭矩为：400×80%＝320KGM扭矩值 扭矩值 扭矩值 扭矩值NmKgmNmKgmNmKgmNmKgmNmKgmNmKgmM 410.11.30.132.40.242.80.283.90.394.90.49M 51.80.182.50.254.70.475.60.567.80.789.30.93M 62.80.283.90.397.80.789.80.9813.71.3715.71.57(M 7)4.90.496.90.6912.81.2815.71.5722.62.2626.52.65M 87.80.789.80.9819.61.9624.52.4534.33.4339.23.92M 1014.71.4719.61.9639.23.9244.14.4163.86.3878.57.85M 1224.52.4533.43.34585.878.57.8511311.313713.7(M 14)39.23.92545.410810.812812.818118.121621.6M 16616.1828.216716.719619.626726.732032(M 18)848.411411.423123.12602636636.643943.9M 2012112.116316.332432.437337.352552.562862.8(M 22)16416.422122.143243.25005071171.185385.3M 2420820.828228.255955.963863.89039...
