常用螺栓性能指标参考表

常用螺月性能指标参考表不锈钢螺检应(A2.5()S/SDolt)外径螺中毛萩而枳冷苍面积抗剪强度抗技避度DiameterPitchofscrewGrossAreaNetAreaShearResistanceTensionResistance(mm)(mm)(mm2)(mm2)aCKN)b(KX)3 0.57.075.030.810.580.7540.712.57S.781.451.011.3250.819.4314.182.261.632.136128.2720.123.252.313.0281.2550.2736.615.784.215.49101.578.5457.999.036.678.70121.75113.1084.2713.019.6912.64162201.06156.6723.1218.0223.50202.5314.16244.7936.1328.1536.7224345239352.5052.0240.5452.88273572.55459.4165.8452.836&.91303.5706.56560.5981.2?64.4784.0?333.5855.306935598.3679.76104.033641017.88816.72117.0693.92122.513941194.5?975.75137.3S11221146.36424.51385.441120.91159.33128.901<58.14454.51590.431306.03182.90150.19175504351309.561473.15208.10169.41220.97S252123.711757.83244.23202.15263.67S65.52463.012030.02283.25233.4S304.50605.52327.432362.0232S.15271.63354.30允许拉应力(Allowabletensilestrength)150Mpa允许归应力(Allowableshearstrength)115Mpa剪力a—放毛莅而考虐Shear顽Usinggrossarea)乾力b—按存敬而考虐Shear•顷Usingnetarea)

不锈钢螺栓占(A2-70S/SBolt))外径毛截而积序截面秩杭明强度抗校强度DiameterPitchofscrewGross-AreaNelAreaShearRessistan«TensionResistance(mrn}(mm)(mm2)(mm2)«(KN)b(kn)(KN)30.57.075.031.701.211.6140.712578.735.022.112.8150.319.6314.184.713.404.546128.2720.12&.794.836.4481.2550.2736.6112.068.7911.71101.578.5457.9918.8513.9218.56121.75113.1084.2727.1420.2226.97162201.06156.6748.2537.6050.13202.5314.16244.7975.4058.7578.33243452.39352.SO1O8.S784.60112.30273572.55459.41137.41110.26147.01303.5706.86560.59169.65134.54179.39333.5855.30673.55205.27166.45221.943641017.88816.72244.29194.01261.353941174.59975.75286.70234.15312.24424.51385.44112051332.51269.02358.69454.51590.431306.00331.70313.44417.?24351809.561473.1543429353.56471.415252123.711757.8350969421.88562.51565.52443.012030.02571.12487.20649.61605.52827.432362.02678.55564.88755.35允许拉应力(Allowabletensilestrength) 320Mpa允许煎应力(Allowableshearstrength) 240MpoE力a—按毛裁面考虑：Shear-a(Usinggrossarea)财力b—按净裁面考虑Shear・b(Usingnetar&a)普逋Q235螺栓fMildBoltG4.6)毛城而袈再葩向拔抗明残度抗拉强度DiameterFitchofsawGrassAreaNelAr&aShearRe&ishnceTensionResistsnoe(mm)(mm)(ttuhZ)(imn2)a<KN)b(KN)tKN)30.57.075.C3Q.920.65C.&640.712.578.751&1.141.4?50.815.6314132.551.342.4112S.2720.1Z3.^32.^23.42吕1.2550.2736.il土534.FS6.22101.57S.-5457.9?10.217.549.561Z1.75113.103^.27M.7D1Q.?514.33162201.06156.6720.372i.63202.5314.1A244.7940.8-13'即41S2243452.S9ssi.sa53.81J5S35?.f-3273572.55459.4174.435^.7273.10303.57GS.86汹£991.3972.803S3.5B5530693.£5111.1990.16117.PC3S41017.83316.72132.32106.17138.843?411W一59?75.75155.30126.85ld5.B8424.513S5.44H2D..?1ISO!1145.72190.55454.51550.431306.00206.761d?.78222.J24351BD9.551473.15235.2-i191.51250.4452123.711757.33276-.0822B.52293.S3565.524i3.017330.02320.1?2d3.?0345.1C552D27.432362.023Q7.-D64E.A充许拉成力(Allowabletensilestrength)]ZOMpa兄许电成力(All-owisbleshearstrength)130MpaB?jjm—按毛ii!而考虑弟样前顽口登叫grossansa)或力b—按挣藏而考虑SlieaAMU闵ngne=tgrem)不锈钢£NominalThreadDiameterSThread.'Inch国标代亏NominalThreadDiameter(Inch)标称直径(nm)KBasicHinor□iameler【Inch}最小直径(mm)A[R)ThreadRootAreafSq.In.)螺纹根面租Cmm2)AllowableTensionCPounds)许用方(K「#6-20SY3.5r0.13S03.510.0997253000735032561.7#0-13ST4.20.16404.170.12573190.0-1340.004222.9#10-16ST4.S0.19004.330.13393530.01529.01517土5#12-14STS.50.21605.490,16494.190.021413-S1723rToF1/4-14STe.30.25006,350.13374.790.028Q13.059526.55J16-12STS.50.312&7.940.24A36210.046930.26159&I10.S3J0-12ST9.00.37509530.29037580.069945.102J7716.3(S/SScrew)MinimumMateriaIThicknesstoEqualTensileCapacityofFastener(In.;前足螳丝拉力承载力的材料最小厚度(mm}A366Q63-T5G063-T6A366063-T56063-TO.WO0.2080.1522.S533.90.130a.285_0.205_3.2_7.3__520.1360.2850.2083.57.353r0.1&10.3490.2524.1n8.96.50.1820.3390.2324.710.07.20.23005410.3025.913.09.30.2760.6580.4337.116.811.2

各种性能等级的螺栓扭矩表阐m血、"成Um 73756Ft-tL煎尺磅】螺栓观格强度等级4.65.6(A4-50)6.9(A4-7D〕8.8(A4-80)10.9lhFt-tbHinHinF「tbHinFlXH100.71.3102.41.82.S2.13.92.9涵18132.5184.73.55.64.17.85.8XK2.82.13.92.97.85.89.87.213.Y10.14.93.66.95.112.S3.415.711.622.616.7盗7.S5.Sg.S7.219.814.524.5IS.134.325.3XflO14.710.B19.614.539.220.g44.132.563.B47.1Xfli24.518.133.424.658.042.8T8.557.9113.083.3M4)39.228.954.039.8108.0T9.7128.094.4181.0133.Xflc61.Q45.口S2.060.5167.0123.2196.0144.6267.0196.(XUS)84.062.0114.084.1231.0170.42BO.0191.836S.02E9.M20121.089.21B3.0120.2324.0239.0373.0275.1525.038T.O庭）164.0121.0221.0163.0432.0318.6500.0368.8711.0524.XD42