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轧不等肢角钢的允许公差截面角钢号

时间:2012-05-08 19:04:39 来源:glzjw.com 作者:123456 点击:
014
161820241854.642
62.01369.301
76.505
90.66142.894
48.68054.401
60.056
71.16832.热轧不等边角钢其规格型号有哪些?热轧不等边角钢其规格型号见表12。表12热轧不等边角钢型号尺寸/mmBbdr截面面积
/cm2理论重量
/(kg/m)2.5/1.625163.2/2322034343.51.1620.9121.4991.1761.4921.1711.9391.5224/2.540253441.8901.4842.4671.9364.5/2.845283452.1491.6872.8062.2035/3.25032345.52.4311.9083.1772.4945.6/3.6563634562.7435.1533.5902.8184.4153.4666.3/46340456774.0583.1854.9933.9205.9084.6386.8025.3397/4.5704545677.54.5473.5705.6094.4036.6475.2187.6576.0117.5/575505681086.1254.8087.2605.6999.4677.43111.5909.0988/58050567886.3755.0057.5605.9358.7246.8489.8677.7459/5.69056567897.2125.6618.5576.7179.8807.75611.1838.779(续)型号尺寸/mmBbdr截面面积
/cm2理论重量
/(kg/m)10/6.31006310/8100806781067810109.6177.55011.1118.72212.5849.87815.46712.14210.6378.35012.3019.65613.94410.94617.16713.47611/711070678101010.6378.35012.3019.65613.94410.94617.16713.47612.5/8125807810121114.09611.06615.98912.55119.71215.47423.35118.33014/91409081012141218.03814.16022.26117.47526.40020.72430.45623.90816/10160100101214161325.31519.87230.05423.59234.70927.24739.28130.83518/1118011020/12.520012510121416121416181428.37322.27333.71226.46438.96730.58944.13934.64937.91229.76143.86734.43649.73939.04555.52643.58833.热轧等肢角钢允许公差为多少?热轧等肢角钢允许公差见表13。表13热轧等肢角钢的允许公差(mm)截面角钢号2~5.66.3~910~1416~20
bd±0.8±0.4±1.2
±0.6±1.8±0.75±2.5
±1.034.热轧不等肢角钢允许公差为多少?热轧不等肢角钢允许公差见表14。表14热轧不等肢角钢的允许公差(mm)截面角钢号2.5/1.6~
5.3/3.66.3/4~
9/5.610/6.3~
14/916/10~
20~/12.5B或b
d±0.8±0.4±1.5
±0.6±2.0±0.75±2.5
±1.035.热轧普通槽钢的理论重量为多少?热轧普通槽钢的理论重量见表15。表15热轧普通槽钢(GBaaa2aaa70765)理论重量表型号尺寸/mmhbd截面面积
/cm2理论重量
/(kg/m)说明550374.56.935.446.363404.88.4446.636.5*65404.88.5406.70880435.010.2408.0410100485.312.74010.0012*120535.515.36012.0612.6126535.515.69012.3714a140586.018.51014.5314b140608.021.31016.7316a160636.521.9517.2316160658.525.1519.7418a180687.025.6920.1718180709.029.2922.9920a200737.028.8322.6320200759.032.8325.7722a220777.031.8424.9922220799.036.2428.4524a*240787.034.2126.5524b*240809.039.0030.6224c*2408211.043.8134.3925a250787.034.9127.4725b*250809.039.9131.3925c2508211.044.9135.3227a*270827.539.2730.8327b*270849.544.6735.0727c*2708611.550.0739.3028a280827.540.0231.4228b280849.545.6235.8128c2808611.551.2240.2130a*300857.543.8934.4530b*300879.549.5939.1630c*3008911.555.8943.8132a320888.048.7038.2232b3209010.055.1043.2532c3209212.061.5048.2836a360969.060.8947.803b3609811.068.0953.4536c36010013.075.2959.1040a40010010.575.0558.9140b40010212.583.0565.1940c40010414.591.0571.47

36.热轧轻型槽钢的理论重量为多少?热轧轻型槽钢的理论重量见表16。表16热轧轻型槽钢(GBaaa2aaa70765)理论重量表型号尺寸/mmhbd截面面积
/cm2理论重量
/(kg/m)说明550324.46.164.846.565364.47.515.90880404.58.987.0510100464.510.908.5912120524.813.3010.4014140584.915.6012.3014a140624.917.0013.3016160645.018.1014.2016a160685.019.5015.3018180705.120.7016.3018a180745.122.2017.4020200765.223.418.420a200805.225.219.822220825.426.721.022a220875.428.822.624240905.630.624.024a240955.632.925.827270956.035.227.7303001006.540.53.8333301057.046.536.5363601107.553.441.9404001158.061.548.3

37.钢结构中的元件包括哪几种?钢结构构件一般宜直接选用型钢,这样可减少制造工作量,降低造价。型钢尺寸不够合适或构件很大时,则用钢板制作,构件间采用直接或辅以连接钢板进行连接。所以钢结构中的元件是型钢及钢材。38.在实腹钢柱中,螺栓的种类和特性有哪些?螺栓理有螺纹的圆杆和螺母组合成的零件,用来连接并紧固,可以拆卸。螺栓有普通螺栓和高强螺栓之分,其种类和特性见表17。表17螺栓的种类及特性连接方法优缺点适用范围普通螺栓C级1.杆径与孔径间有较大空隙,结构拆装方便
2.只能承受拉力
3.费料1.适用于安装连接和需要装拆的结构(责任编辑:123456)
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