表29热轧槽钢的尺寸规格
符号意义：
h—高度；r1—腿端圆弧半径；
b—腿宽度；l—惯性矩；
t—平均腿厚度；d—腰厚度；W—抗弯截面系数；
i—惯性半径；C—形心；
r—内圆弧半径；Z0—Y-Y轴与Y1-Y1轴间距。
尺寸/mm参考数值型号hbdtrr1截面面积/em2理论质量/(kg/m)X-Xy-yY1-Y1zo/cmWx/cm31x/cm4ix/cmWy/cm3Iy/cm4iy/cmIy/cm4550374.57.07.03.56.9285.43810.426.01.943.558.31.1020.91.356.363404.87.57.53.88.4516.63416.150.82.454.5011.91.1928.41.36880435.08.08.04.010.2488.04525.31013.155.7916.61.2737.41.4310100485.38.58.54.212.74810.00739.71983.957.8025.61.4154.91.5212.6126535.59.09.04.515.69212.31862.13914.9510.238.01.5777.11.5914a140586.09.59.54.818.51614.53580.55645.5213.053.21.701071.7114b140608.09.59.54.821.31616.73387.16095.3514.161.11.691211.6716a160636.510.010.05.021.96217.2401088666.2816.373.31.831441_8016b160658.510.010.05.025.16219.7521179356.1017.683.41.821611.7518a180687.010.510.55.225.69920.17414112707.0420.098.61.961901.8818180709.010.510.55.229.29923.00015213706.8421.5111.952101.8420a200737.011.011.05.528.83722.63717817807.8624.21282.112442.0120200759.011.011.05.532.83725.77719119107.6425.91442.092681.9522a220777.011.511.55.831.84624.99921823908.6728.21582.232982.10尺寸/mm参考数值型号hbdtrr1截面面积/em2理论质量/(kg/m)X-Xy-yY1-Y1zo/cmWx/cm31x/cm4ix/cmWy/cm3Iy/cm4iy/cmIy/cm4550374.57.07.03.56.9285.43810.426.01.943.558.31.1020.91.3522220799.011.511.55.836.24628.45323425708.4230.11762.213262.0325a250787.012.012.06.034.91727.41027033709.8230.61762.243222.0725b250809.012.012.06.039.91731.33528235309.4132.71962.223531.9825c2508211.012.012.06.044.91735.26029536909.0735.92182.213841.9228a280827.512.5i2.56.240.03431.427340476010.935.72182.333882.1028b280849.512.512.56.245.63435.823366513010.637.92422.304282.0228c2808611.512.512.56.251.23440.219393550010.440.32682.294631.9532a320888.014.014.07.048.51338.083475760012.546.53052.505522.2432b3209010.014.014.07.054.91343.107509814012.249.23362.475932.1632e3209212.014.014.07.061.31348.131543869011.952.63742.476432.0936a360969.016.016.08.060.91647.8146601190014.063.54552.738182.4436b3609811.016.016.08.068.11053.4667031270013.666.94972.708802.3736c360110013.016.016.08.075.31059.1187461340013.470.05362.679482.3440a40010010.518.018.09.075.06858.9288791760015.378.85922.8110702.4940b40010212.518.018.09.083.06865.2089321860015.082.56402.7811402.4440c40010414.518.018.09.091.06871.4889861970014.786.26882.7512202.426.5①65404.87.57.53.88.5476.70917.055.22.544.5912.01.1928.31.3812①120535.59.09.04.515.36212.05957.73464.7510.237.41.5677.71.6224a①240787.012.012.06.034.21726.86025430509.4530.51742.253252.1024b①240809.012.012.06.039.01730.62827432809.1732.51942.233552.0324c①2408211.012.012.06.043.81734.39629335108.9634.42132.213882.0027a①270827.512.512.56.239.28430.838323436010.535.52162.343932.1327b①270849.512.512.56.24.4.68435.077347469010.337.72392.314282.0627c①2708611.512.512.56.250.08439.316372502010.139.82612.284672.0330a①300857.513.513.56.843.90234.463403605011.741.12602.434672.1730b①300879.513.513.56.849.90239.173433650011.444.02892.415152.1330c①3008911.513.513.56.855.90243.883463695011.246.43162.385602.09①经供需双方协议可以供应的型号。(2)允许偏差见表30表30热轧槽钢的尺寸允许偏差(mm)型号56.36.58101212.614161820222425272830323640高度h±1.5±2.0±2.0±3.0±3.0腿宽b±1.5±2.0±2.5±3.0±3.5腰厚d±0.4±0.5±0.6±0.7±0.8弯腰挠度不应超过0.15d通常长度5～12m5～19m6～19m
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