标准螺纹联接预紧力和扭矩值表.doc

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1、标准螺纹联接预紧力和扭矩值表（参考）标准螺纹机械性能等级4.85.86.88.810.9预紧力（N)扭矩（Nm）预紧力（N)扭矩（Nm）预紧力（N)扭矩（Nm）预紧力（N)扭矩（Nm）预紧力（N)扭矩（Nm）M21.544540.175670.226810.269070.3412760.48M2.5257430.359290.4411150.5314860.7120900.99M32.55.511020.6313780.7916540.9422051.2631011.77M3.5-614860.9918581.2422291.4829721.9841792.78M

2、43719241.4624051.8328872.1938492.9354124.11M54831122.9638903.7046684.4462255.1987538.32M651044055.0255076.2866087.53881110.01239014.1M7-1163348.42791810.5950112.61266816.81781523.7M8613/14802212.21002715.21203318.31604424.22256234.3M10816/171271224.21589030.21906836.22542548.33575367.

3、9M121018/191847742.12309652.72771563.23695384.351966118.5M1412212520567.03159783.837808100.650411134.170890188.6M16142434411104.643014130.851616156.968822209.296781294.2M18142742082143.952603179.963123215.984164287.8404.8M20173053699204.167123255.180548306.1408.1537.9M22173466411277.6

4、83041347.099616416.4555.2780.7M24193677370352.896712441.0529.2705.6992.3