螺栓螺母性能表

1、螺栓螺母性能表1钢结构用高强度螺栓连接副型号、规格、性能等级类型名称性能等级规格连接副组成GB/T1228-91钢结构用高强度大六角头螺栓10.9S8.8SM12-M30一件螺栓；一件螺母；二件垫圈GB/T1229-91钢结构用高强度大六角螺母GB/T1230-91钢结构用高强度垫圈GB/T1231-91钢结构用高强度大六角头螺栓、 大六角螺母、垫圈技术条件3B/T3632-1995钢结构用扭剪型高强度螺栓连接副10.9SM16-M24一件螺栓；一件螺母；二件垫圈3B/T3633-1995钢结构用扭剪型高强度螺栓连接副技术条件2材料类型性能等级螺纹规格选用材料螺栓10.9SM12-M2420M

2、nt iBM27-M3035VB8.8SM12-M1635#M20-M2420MnTibM27-M3035VB螺母8H 10HM12-M3035#垫圈3545 HRC123045#材料的化学成分材料C%Si%Mn%Ti%V%B%P%S%20MnT iB0.170.240.170.371.301.600.040.1000.00050.0035< 0.035< 0.03535VB0.310.370.170.370.500.9000.050.120.0010.004< 0.04< 0.0435#0.320.400.170.370.500.90000< 0.035<

3、 0.03545#0.420.500.170.370.500.90000< 0.035< 0.0353机械性能性能等级抗拉力强度(T bMPa屈服度 o- 0.2MPa伸长率a 5%收缩率%min10.9S1040124094010428.8S830103066012453-1螺栓机械性能材料试件机械性能硬度性能等级洛氏硬度HRC维氏硬度HV30minmaxminmax109S33393123678.8S2431249296实物拉力载荷螺纹规格dM12M16M20M22M24M27M30应懒力载面积mm284.3157245303353459561拉力载荷10.9S877.7104

4、.5163195255304315376367438477569583696KN8.8S70.086.8130162203252251312293364381473466578螺纹规格DM12M16M20M22M24M27M30保证载荷KN10H87.71632553153674775838H70.0130203251293381466保证载荷性能等级洛氏硬度维氏硬度minmaxminmax10H98HRB28HRC2222748H85HRB28HRC206274硬度3-2螺母机械性能3- 2垫圈机械性能垫圈硬度为 3545 HRC (HV 30 329436)4型式尺寸4- 1 GB/T12

5、28-91钢结构用高强度大六角头螺栓型式尺寸螺纹规格dM12M16M20M22M24M27M30螺距p1.7522.52.5333.5cmax0.80.80.80.80.80.80.8min0.40.40.40.40.40.40.4damax15.2319.2324.3226.3228.3232.8435.84dsmax12.4316.4320.5222.5224.5227.8430.84min11.7515.5719.4821.4823.4826.1629.16dwmin19.224.931.433.338.042.846.5emin22.7829.5637.2939.5545.2050.8

6、555.37公称7.51012.514151718.7Kmax7.9510.7513.4014.9015.9017.9019.75min7.059.2511.6013.1014.1016.1017.65rmin1.01.01.51.51.52.02.0max21273436414650smin20.1626.163335404549bL公称<45> 45<55> 55<65> 65<70法70<75法75<80> 80<85> 85公称25303035354040454550505555604-2 GB/T1229-91钢

7、结构用高强度大六角头螺母型式尺寸螺纹规格DM12M16M20M22M24M27M30螺距P1.7522.52.5333.5cmax0.80.80.80.80.80.80.8min0.40.40.40.40.40.40.4damax1317.321.623.825.929.132.4min12162022242730dwmin19.224.931.433.338.042.846.5emin22.7829.5637.2939.5545.2050.8555.37mmax12.317.120.723.624.227.630.7min11.8716.419.422.322.926.329.1smax21

8、273436414650min20.1626.1633354045494-3 GB/T1230-91钢结构用高强度垫圈型式尺寸规格（螺纹大径）12162022242730d1max13.4317.4321.5223.5225.5228.5231.52min13172123252831d2max25334042475256min23.731.438.440.445.450.154.1s公称3.04.04.05.05.05.05.0max3.84.84.85.85.85.85.8min2.53.53.54.54.54.54.5d3max16.0320.0325.1227.1229.1233.643

9、6.64min15.2319.2324.3226.3228.3232.8435.844-4 GB/T3632-1995钢结构用扭剪型高强度螺栓型式尺寸螺纹规格dM16M20M22M24螺距p22.52.53damax18.8324.426.428.4dsmax16.4320.5222.5224.52min15.5719.4821.4823.48dwmin27.934.538.541.5dkmax30374144K公称10131415max10.5713.914.915.9min9.2512.113.114.1K'min12141516K”max17192123rmin1.21.21.2

10、1.6dbmax11.314.115.616.9min1113.815.316.6dcp12.816.117.819.3de131718205 GB/T12281231-91高强度大六角头螺栓连接副的扭矩系数螺纹规格M12M16M20M22M24M27M30P(KN)max59113177216250324397min4993142177206265329 10.9S高强度大六角头螺栓连接副的扭矩系数平均值0.110.150 o扭矩系数的标准偏差小于或等于0.010 O扭矩系数测定时，预拉力控制范围见上表。 8.8S高强度大六角头螺栓连接副，客户有要求，也可按保证扭矩系数供货。6 GB/T36

11、323633-1995扭剪型高强度螺栓连接副的紧固轴力螺纹规格M16M20M22M24每批紧固轴力的平均值（KN）公称109170211245max120186231270min99154191222紧固轴力标准偏差 （T(KN) <9.9015.3919.1122.257标记GB/T1228 10.9S高强度大六角头螺栓GB/T3632 10.9S扭剪型高强度螺栓GB/T1229、GB/T363210H高强度螺母GB/T1230、GB/T3632高强度垫圈8高强度螺栓连接副的使用螺纹规格M12M16M20M22M24M27M30大六角头高强度螺栓25303540455055扭剪型高强度

12、螺栓/25303540/8-1高强度螺栓的长度选用L = L '+AL式中：L -高强素螺栓工程长度L'-连接板层总厚度 L-附加长度，按右表8-2 GB/T1228-1231高强度大六角头螺栓连接副施工扭矩计算10.9S按保证扭矩GB/T1228-1231高强度大六角头螺栓连接副施工，是通过顶扭矩扳手拧紧螺母,系数供货的螺栓连接副按下列公式确定施工扭矩：T = K Pc d式中：t-施工扭矩（nm螺纹规格M12M16M20M22M24M27M3010.9S60110170210250320390K-实测扭矩系数平均值Pc-螺栓施工拉力（KN）按右表d-螺栓螺纹规格（mnm8-

13、32 GB/T36323633扭剪型高强度螺栓连接副施工方法GB/T3632-3633 扭剪型高强度螺栓连接副的施工过程按下图。螺栓的螺杆末端带有梅花型尾部，尾 部与螺杆之间有环形切口，用于控制连接副的紧固轴力，施工时，用专用紧固工具拧紧尾部即紧固完 毕。螺纹规格dM12M14M16M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64螺距P1.75222.52.5333.53.5444.54.555444bmax18.52124303236394447525559646872747882min15172025273033374044475055586266

14、7074dkmax1821243034364146505560657075809095100min17.3820.3823.3829.3833.3835.3840.3845.3849.3854.2659.2664.2669.2674.2679.2689.1394.1399.13dsmax12.3514.3516.3520.4222.4224.4227.4230.4233.5036.5039.5042.5045.5048.5052.6056.6060.6064.60min11.6513.6515.6519.5821.5823.5826.5829.5832.5035.5038.5041.5044.

15、5047.5051.4055.4059.4063.40Kmax7.158.2510.7513.414.915.917.919.7522.0523.5526.0527.0529.0531.0534.2536.2539.2541.25min5.656.759.2511.613.114.116.117.6519.9521.4523.9524.9526.9528.9531.7533.7536.7538.75rmin0.81.01.52.02.5damax15.2017.2919.2024.4026.4028.4032.4035.4038.4042.4045.4048.6052.6056.6062.6067.0071.0075.00公称5054627375829098101125128136145148162172196205Lmax50.8054.9562.9573.95