整理GB-T1228-钢结构用高强度大六角螺栓范围

1、钢结构用高强度大六角螺栓范围、引用标准（GB/T1228-91 )详细介绍：本标准参照采用国际标准ISO 74121984高强度结构螺栓。1主题内容与适用范围本标准规定了螺纹规格为M12M30高强度大六角头螺栓的型式尺寸、技术条件及标记。本标准适用于铁路和公路桥梁、锅炉钢结构、工业厂房、高层民用建筑、塔桅结构、起重 机械及其他钢结构摩擦型高强度螺栓连接。2引用标准GB 196普通螺纹基本尺寸（直径1600 mm）GB 197普通螺纹公差与配合（直径1355 mm）GB 2紧固件外螺纹零件的末端GB 3103.1紧回件公差螺栓、螺钉和螺母GB 1237紧固件的标记方法GB/T 1231钢结构用高

2、强度大六角头螺栓、大六角螺母、垫圈技术条件3尺寸尺寸按下图及表13所示。中二-C*，M后工修加?犬表lmm螺纹规格dM12M16M20(M22)M24(M27)M30P1.7522.52.5333.5CmaxO. 80,80.80.8O. 80.8O. 8min0.40.40.40.40.40.40.4damax15.2319.2324.3226.3228.3232.8435.84dsmax12.4316.4320.5222.5224.5227.8430.84min11.5715.5719.4821.4823.4826.1629.16dwmin19.224.931.433.338. O42.8

3、46.5emin22.7829.5637.2939.5545.2050.8555.37K公称7.51012.514151718.7max7.9510.7513.4014.9015.9017.9019.75min7.059.2511.6013.1014.1016.1017.65Kmin4.96.58.19.29.911.312,4rmin1.01.01.51.51.52. O2.0Smax2l匚34364l4650min20.1626.163335404549注：括号内的规格为第二选择系列。表2mm无螺纹杆部长度ls和夹紧长度lg螺纹规格dM12M16M20(M22)M24(M27)M30公称m

4、inmaxl sminlgmaxl sminlgmaxl sminlgmaxlsminlgmaxlsminlgmaxlsminlgmaxlsminlgmax3533.7536.254.8104038.7541.259.8154543.7546.259.8159155048.7551.2514.82014207.5155553.556.519.825142012.5207.5156058.561.524.83019257.5252.5206156563.566.529.835243017.52517.52511206157068.571.534.840293522.53017.52516251l

5、204.5157573.576.539.845344027.53522.530162516259.5208078.581.5394532.54027.5352130162514.5258583.2586.75445037.54532.5402635213014.5259088.2591.75495542.55037.5453l40263519.5309593.2596.75546047.55542.55036453l4024.53510098.25101.75596552.56047.5554l50364529.5401lO108.25111.75697562.57057.5655160465

6、539.550120118.25121.75798572.58067.5756170566549.560130128132899582.59077.5857180667559.57014013814292.510087.5958l90768569.580150148152102 511097.510591100869579.590160156164112.5120107.51151011109610589.5100170166174117.512511112010611599,5110180176184127.513512l130116125109.5120190185.4194.6137.5

7、14513l140126135119.5130200195.4204.6147.5155141150136145129.5140220215.4224.6167.517516l170156165149.5160240235.4244.618l190179185169.5180260254.8265.2196205189.5200括号内的规格为第二选择系列。lg lg max =l 公称-(b) 参考；1s min = l g max -3P 。表3mml螺纹规格d螺纹规格dM12M16M20(M22) M24 (M27)M30M12M16M20(M22)M24(M27)M30公称(b)每1 0

8、00个钢螺栓的理论质量 kg352549.44054.2453057.8113. O503562.5121.3207.35530354067.3127.9220.3269.3604572.136.233.384.9357.265405076.8144.5243.6300.5375.7503.270455581.6152.8256.5313.2394.2527.1658.2755086.3161.2269.5328.9409.1551.0607.58055169.5282.5344.5428.6570.2716.88560177.8295.5360.1446.1594.1740.390186.4

9、308.5375.8464.7617.9769.695194.4321.4391.4483.2641.8799.0100202.8334.4407.0501.7665.7828.3110219.4360.4438.3538.8713.5886.9120236.1386.3469.6575.9761.3945.6130252.7412.3500.8612.9809.11004.2140438.3532.1650.0856.91062.8150464.2563.4687.1904.71121.5160490.2594.6724.2952.41180.1170625.9761.21000.21238

10、.7180657.2798.31048. O1297.4190688.4835.41095.81356. O200719.7872.41143.61414.7220782.2946.61239.21531.92401020.71334.71649.22601430.31766.5注：括号内的规格为第二选择系列。4技术条件技术条件按 GB/T 1231规定。5标记标记方法按 GB 1237规定。标记示例：螺纹规格d=M20、公称长度l=100 mm、性能等级为10.9 s级的钢结构用高强度大六角头 螺栓的标记：螺栓 GB/T 1228 M20 M00螺纹规格d=M20、公称长度l=100 mm、性能等级为8.8 s级的钢结构用高