螺栓螺母性能表

1、螺栓螺母性能表1鋼結構用高強度螺栓連接副型號、規(guī)格、性能等級類型名稱性能等級規(guī)格連接副組成GB/T1228-91鋼結構用高強度大六角頭螺栓10.9S8.8SM12-M30一件螺栓；一件螺母；二件墊圈GB/T1229-91鋼結構用高強度大六角螺母GB/T1230-91鋼結構用高強度墊圈GB/T1231-91鋼結構用高強度大六角頭螺栓、大六角螺母、墊圈技術條件3B/T3632-1995鋼結構用扭剪型高強度螺栓連接副10.9SM16-M24一件螺栓；一件螺母；二件墊圈3B/T3633-1995鋼結構用扭剪型高強度螺栓連接副技術條件2材料類型性能等級螺紋規(guī)格選用材料螺栓10.9SM12-M2420Mn

2、tiBM27-M3035VB8.8SM12-M1635#M20-M2420MnTibM27-M3035VB螺母8H10HM12-M3035#墊圈35-45HRC123045#材料的化學成分材料C%Si%Mn%Ti%V%B%P%S%20MnTiB0.170.240.170.371.301.600.040.1000.00050.0035<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<0.03545#0

3、.420.500.170.370.500.90000<0.035<0.0353機械性能性能等級抗拉力強度cbMPa屈服度(T0.2MPa伸長率§5%收縮率3%min10.9S1040124094010428.8S830103066012453-1螺栓機械性能材料試件機械性能硬度性能等級洛氏硬度HRC維氏硬度HV30minmaxminmax109S33393123678.8S2431249296實物拉力載荷螺紋規(guī)格dM12M16M20M22M24M27M30應懶力載面積mm284.3157245303353459561拉力載荷KN10.9S877.7104.51631952

4、553043153763674384775695836968.8S70.086.8130162203252251312293364381473466578螺紋規(guī)格DM12M16M20M22M24M27M30保證載荷KN10H87.71632553153674775838H70.0130203251293381466性能等級洛氏硬度維氏硬度minmaxminmax10H98HRB28HRC2222748H85HRB28HRC206274硬度3-2螺母機械性能3-2墊圈機械性能墊圈硬度為35-45HRC(HV30329436)4型式尺寸4-1GB/T1228-91鋼結構用高強度大六角頭螺栓型式尺寸

5、螺紋規(guī)格dM12M16M20M22M24M27M30螺距p1.7522.52.5333.5cmax0.80.80.80.80.80.80.8min0.40.40.40.40.40.40.4damax15.2319.2324.3226.3228.3232.8435.84dsmax12.4316.4320.5222.5224.5227.8430.84min11.7515.5719.4821.4823.4826.1629.16dwmin19.224.931.433.338.042.846.5emin22.7829.5637.2939.5545.2050.8555.37K公稱7.51012.51415

6、1718.7max7.9510.7513.4014.9015.9017.9019.75min7.059.2511.6013.1014.1016.1017.65rmin1.01.01.51.51.52.02.0sbmax21273436414650min20.1626.163335404549L公稱<45>45<55>55<65>65<70>70<75>75<80>80<85>85公稱25303035354040454550505555604-2GB/T1229-91鋼結構用高強度大六角頭螺母型式尺寸螺紋規(guī)格DM

7、12M16M20M22M24M27M30螺距P1.7522.52.5333.5cmax0.80.80.80.80.80.80.8min0.40.40.40.40.40.40.4damax1317.321.623.825.929.132.4min12162022242730dwmin19.224.931.433.338.042.846.5emin22.7829.5637.2939.5545.2050.8555.37mmax12.317.120.723.624.227.630.7min11.8716.419.422.322.926.329.1smax21273436414650min20.1626

8、.1633354045494-3GB/T1230-91鋼結構用高強度墊圈型式尺寸規(guī)格（螺紋大徑）12162022242730d1max13.4317.4321.5223.5225.5228.5231.52min13172123252831d2max25334042475256min23.731.438.440.445.450.154.1s公稱3.04.04.05.05.05.05.0max3.84.84.85.85.85.85.8min2.53.53.54.54.54.54.5d3max16.0320.0325.1227.1229.1233.6436.64min15.2319.2324.322

9、6.3228.3232.8435.844-4GB/T3632-1995鋼結構用扭剪型高強度螺栓型式尺寸螺紋規(guī)格dM16M20M22M24螺距p22.52.53damax18.8324.426.428.4dsmax16.4320.5222.5224.52min15.5719.4821.4823.48dwmin27.934.538.541.5dkmax30374144K公稱10131415max10.5713.914.915.9min9.2512.113.114.1K'min12141516K"max17192123rmin1.21.21.21.6dbmax11.314.115.

10、616.9min1113.815.316.6dc12.816.117.819.3de131718205GB/T12281231-91高強度大六角頭螺栓連接副的扭矩系數(shù)螺紋規(guī)格M12M16M20M22M24M27M30P(KN)max59113177216250324397min499314217720626532910.9S高強度大六角頭螺栓連接副的扭矩系數(shù)平均值0.110.150o扭矩系數(shù)的標準偏差小于或等于0.010O扭矩系數(shù)測定時，預拉力控制范圍見上表。8.8S高強度大六角頭螺栓連接副，客戶有要求，也可按保證扭矩系數(shù)供貨。6GB/T36323633-1995扭剪型高強度螺栓連接副的緊固軸

11、力螺紋規(guī)格M16M20M22M24每批緊固軸力的平均值（KN）公稱109170211245max120186231270min99154191222緊固軸力標準偏差（T(KN)<9.9015.3919.1122.257標記IGB/T122810.9S高強度大六角頭螺栓GB/T363210.9S扭剪型高強度螺栓GB/T1229、GB/T363210H高強度螺母GB/T1230、GB/T3632高強度墊圈8高強度螺栓連接副的使用螺紋規(guī)格M12M16M20M22M24M27M30大六角頭高強度螺栓25303540455055扭剪型高強度螺栓/25303540/8-1高強度螺栓的長度選用L=L&

12、#39;+AL式中：L-高強素螺栓工程長度L'-連接板層總厚度L-附加長度，按右表8-2GB/T1228-1231高強度大六角頭螺栓連接副施工扭矩計算10.9S按保證扭矩GB/T1228-1231高強度大六角頭螺栓連接副施工,是通過頂扭矩扳手擰緊螺母,系數(shù)供貨的螺栓連接副按下列公式確定施工扭矩：T=KPcd式中：t-施工扭矩（n-m螺紋規(guī)格M12M16M20M22M24M27M3010.9S60110170210250320390K-實測扭矩系數(shù)平均值Pc-螺栓施工拉力（KN）按右表d-螺栓螺紋規(guī)格（mm8-32GB/T36323633扭剪型高強度螺栓連接副施工方法GB/T3632-3

13、633扭剪型高強度螺栓連接副的施工過程按下圖。螺栓的螺桿末端帶有梅花型尾部，尾部與螺桿之間有環(huán)形切口，用于控制連接副的緊固軸力，施工時，用專用緊固工具擰緊尾部即緊固完畢。螺紋規(guī)格dM12M14M16M20M22M24M27M30M33M36M39M42M45M48M52M56M60M64螺距P1.75222.52.5333.53.5444.54.555444bmax18.52124303236394447525559646872747882min151720252730333740444750555862667074dkmax1821243034364146505560657075809095

14、100min17.3820.3823.3829.3833.3835.3840.3845.3849.3854.2659.2664.2669.2674.2679.2689.1394.1399.13dsmax12.3514.3516.3520.4222.4224.4227.4230.4233.5036.5039.5042.5045.5048.5052.6056.6060.6064.60min11.6513.6515.6519.5821.5823.5826.5829.5832.5035.5038.5041.5044.5047.5051.4055.4059.4063.40Kmax7.158.2510.7

15、513.414.915.917.919.7522.0523.5526.0527.0529.0531.0534.2536.2539.2541.25min5.656.759.2511.613.114.116.117.6519.9521.4523.9524.9526.9528.9531.7533.7536.7538.75rmin0.81.01.52.02.5damax15.2017.2919.2024.4026.4028.4032.4035.4038.4042.4045.4048.6052.6056.6062.6067.0071.0075.00公稱5054627375829098101125128136145148162172196205Lmax50.8054.9562.9573.9575