常用连接螺栓强度参数

外径螺距DiameterPitch of screw(mm)(mm)30.0.750.86181.25101.5121.75162202.5243273303.5333.53394424..85525565.5605.5毛截面积Gross Area(mm2)7.0712.5719.6328.2750.2778.113.10201.06314.152.39572.55706.86855.301017.881194.591385.441590.431809.562123.712463.012827.43净截面积Net Area(mm2)5.038.7814.1820.1236.6157.9984.27156.67244.79352.50459.41560.59693.55816.72975.751120.911306.001473.151757.832030.022362.02抗剪强度Shear Resistancea(KN)b(KN)0.920.651.631.142.551.843.682.626.534.7610.217.14.7010.9526.1420.3740.8431.8258.8145.8374.4359.7291.72.88111.1990.16132.32106.17155.30126.85180.11145.72206.76169.78235.24191.51276.08228.52320.19263.90367.57307.06抗拉强度Tension Resistance(KN)0.861.492.413.426.229.8614.3326.6341.6259.9378.1095.30117.90138.84165.88190.55222.02250.44298.83345.10401.允许拉应力(Allowable tensile strength)170Mpa允许剪应力(Allowable shear strength)130Mpa剪力a－按毛截面考虑 Shear-a(Using gross area)剪力b－按净截面考虑 Shear-b(Using net area)