螺 纹 直 径直 径 d mm螺 距p mm
M12M16M20M24
1.7522.53
螺 栓 的 性 能 等 级
8.8
Fv(kN)4570110155
MA(N·m)100230455775
Fv(kN)55100155225
10.9MA (N·m)
1103205901000
M303.525015703352100此表为参考建议,计算方式决定扭紧力矩见下面公式。请注意国产10.9s高强度螺栓部分扭矩此表数据会偏高一些。
Tightening torques and prestressing force for HV and HVP 10.9s 国际标准
Thread diameter dHold diameterRequiredPrestressing force
Pv [kN]
M1213
M1617
M2021
M2223
M2425
M2728
M3031
50100160190220290350
MoS2
lubricated100250450650slightly 1)
Ma[N.m]oiled120350600900Prestressing forcePv 2)[kN]60110175210
1)Torque to be applied with torque spanners
2).Prestressing force to be applied with impact wrenches
8001100240
12501650320
16502200390
