常用螺栓性能指标参考表

1、常用竦栓性匪抬标参考衣不锈钢螺栓农(A250 S/SBolt)外径撼审毛截面枳净薇而枳抗剪强度抗拉强度iameterPitch ofscrewGross AreaNet AreaShearResistanceTension Resistance(mm)(nun)(mm2)(mm2)a(KN)KKN)(KN)30.57.075.030.810.580.7540.712.578.781.451.01l .3250.819.6314.182.261.632.136128.2720.123.252.313.0281.2550.2736.615784.215.49101.578.5457.999.036

2、.678.70121.75113.1084.2713.019.G912.64162201.06156.6723.1218.0223.50202.5314.16244.7936.1328.1536.72243452.39352.5052.0240.5452.88273572.55459.4165.8452.8368.91303.5706.86560.5981.2964.4784.09333.5855.30693.5598.3679.76104.033641017.88816.72117.0693.92122.513941194.59975.75137.38112.21146.36424.5138

3、5.441120.91159.33128.901684454.51590.431306.00182.90150.19195.904851809.561473.15208.0169.41220.97S252123.711757.83244.23202.15263.67565.52463.012030.02283.25233.45304.50605.52827.432362.02325/5271.63354.30允许拉应丿允许拉应丿J(Allowabletensilestrength)150Mpa允许剪W丿J(Allowableshearstrength)115Mpa剪力 a按毛截面考 Shear

4、-a(Using gross area) 剪力 b按净截面考 Shear-b(Using net area)外轻螺铢毛砂面枳外轻螺铢毛砂面枳净戴面枳抗刃豪度抗拉强度iameterPiteh of screwGross AreaNetAreaShearRistanceTension Resistance(mm)(mm)(mm2)(mm2)a(KN)b(KN)(KN)30.57.075.031.701.211.6140.712.578.783.022.112.8150.819.6314.184.713.404.546128.2720.126.794.836.4481.2550.2736.6112.

5、068.7911.71101.578.5457.9918.8513.9218.56121.75113.1084.2727.1420.2226.97162201.06156.6748.2537.6050.132025引 4.16244.7975.4058.7578.33243452.39352.50108.5784.60112.80273572.55459.41137.41110.26147.01303.5706.86560.59169.65134.54179.39333.5855.30693.55205.27166.45221.943641017.88816.72244.29196.01261

6、.353941194.59975.75286.70234.18312.24424.51385.441120.91332.51269.02358.69454.51590.431306.00381.70313.44417.924851809.561473.15434.29353.56471.415252123.711 757.83509.69421.88562.51565.52463.012030.02591.12487.20649.61605.52827.432362.02678.58566.88755.85允许拉应力允许拉应力(Allowable tensile strength)允许剪.应力

7、(Allowable shear strength)320Mpa240MpaaJfeShear-a(Usinggrossarea)bShear-btUsinanetarea)普通 Q235 螺栓衣(Mil Bolt 04.6)外廉iameter螺审Pitch ofscrew毛戴面枳Gross Area净截面积NetArea抗剪强度Shear Resstance抗拉强度Tension Resistance(mm)(mm)(mm2)(mm2)a(KN)b(KN)30.57.075.030.920.650.8640.712.578.781.631.141.4950.819.6314.182.551.

8、842.416128.2720.123.682.623.4281.2550.2736.616.534.766.22101.578.5457.9910.217.549.86121.75113.1084.2714.7010.9514.33162201.06156.6726.1420.3726.63202.5引 4.16244.7940.8431.8241.62243452.39352.5058.8145.8359.93273572.55459.4174.4359.7278.10303.5706.86560.5991.8972.8895.30333.5855.30693.55111.1990.161

9、17.903641017.88816.72132.32106.17138.843941194.59975.75155.30126.85165.88424.51385.441120.91180.11145.72190.55454.51590.431306.00206.76169.78222.024851809.561473.15235.24191.51250.445252123.711757.83276.08228.52298.83565.52463.012030.023209 .263.90345.10605.52827.432362.02367.57307.06401.54允许拉应力允许拉应

10、力(Allowabletensilestrength)170Mpa 7j(Allowableshearstrength)130Mpa a按毛越而考 IS Shear-a(Using gross area) 的力 b按净越而考屯 Shear-b(Usina net area)NominalThrea iameter &NominalThrea iameter &号NominalThrea iameter标称直径(mm)K Basicinor iameter最小直A(R) Threa 蚁纹根面径(mm)RootArea稅(mm2)AllowableTensi on (Pouns)Threa/I r

11、ich(Inch)(Inch)(Sq. In.)#6-20SY 3.50.13803.510.09972.530.00785.03256#8-18ST4.20.16404.170.12573.190.01248.00422#10-16ST4.80.19004.830.13893.530.01529.81517#12-14ST5.50.21605.490.16494.190.021413.817281/4-14ST6.30.25006.350.18874.790.028018.069525/16-12ST8.50.31257.940.24436.210.046930.2615953/8-12ST

12、9.00.37509.530.29837.580.069945.102377MinimumMinimumMaterialThicknesstoEqualCapacity of Fastener(In.)籀足勉丝拉力装载力的材料最小厚度(mm)0.2760.6580.4387.116.811.2A366063-T56063-T6A366063-T56063-T60.1000.2080.1522.65.33.90.1300.2850.2053.37.35.20.1360.2850.2083.57.35.30.1610.3490.2524.18.96.50.1820.3890.2824.710.07

13、.20.2300.5410.3625.913.89.3各种性能等级的螺栓扭矩表（单位:Nm Fttb）强度等级螳檢规格4.65.6(A4-50)强度等级螳檢规格4.65.6(A4-50)6.94-70)8.8A4-80)10.9NNf5Nm1 01.8Ft-tb0 71.3Nm1.32.5Ft-tb1.01.8Hm2.44.7Ft-tb1.83.5Nm2.85.6Ft-tb2. 14. 1Nm3.97.8F25Nf62.82.13.92.97.85.89.87.213.7(W)4.93.66.95. 112.89.415.711. 622.6MS7.85.89.87.219.614.524.5

14、18. 134.3NflO14.710.819.614.539.228.944.132. 563.8M1224.518. 133.424.658.042.878.557. 9113.0(Nil 4)39.228.954.039.8108.079.7128.094. 4181.0Nfl661.045.082.060.5167.0123.2196.0144.6267.0(Ml 8)84.062.0114.084. 1231.0170.4260.0191.8366.02NO121.089.2163.0120.2324.0239.0373.0275. 1525.03(NC2)164.0121.0221.0163.0432.0318.6500.