热轧槽钢的尺寸规格.pdf
1尺寸规格见表 29。 表表 29292929 热轧槽钢的尺寸规格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；Z0Y-Y 轴与 Y1-Y1轴间距。 型号 尺寸/mm 截面面积/em2 理论质量/kg/m 参考数值 hbdtrr1 X-Xy-yY1-Y1 zo/cm Wx/cm3 1x/cm4 ix/cm Wy/cm3 Iy/cm4 iy/cm Iy/cm4 55037 4.5 7.07.03.5 6.9285.43810.426.01.943.558.31.1020.91.35 6.36340 4.8 7.57.53.8 8.4516.63416.150.82.454.5011.91.1928.41.36 88043 5.0 8.08.04.0 10.2488.04525.31013.155.7916.61.2737.41.43 10100 48 5.3 8.58.54.2 12.74810.00739.71983.957.8025.61.4154.91.52 12.6 126 53 5.5 9.09.04.5 15.69212.31862.13914.9510.238.01.5777.11.59 14a140 58 6.0 9.59.54.8 18.51614.53580.55645.5213.053.21.701071.71 14b140 60 8.0 9.59.54.8 21.31616.73387.16095.3514.161.11.691211.67 16a160 63 6.5 10.0 10.0 5.0 21.96217.2401088666.2816.373.31.831441_80 16b160 65 8.5 10.0 10.0 5.0 25.16219.7521179356.1017.683.41.821611.75 18a180 68 7.0 10.5 10.5 5.2 25.69920.17414112707.0420.098.61.961901.88 18180 70 9.0 10.5 10.5 5.2 29.29923.00015213706.8421.5111.952101.84 20a200 73 7.0 11.0 11.0 5.5 28.83722.63717817807.8624.21282.112442.01 20200 75 9.0 11.0 11.0 5.5 32.83725.77719119107.6425.91442.092681.95 22a220 77 7.0 11.5 11.5 5.8 31.84624.99921823908.6728.21582.232982.10 型号 尺寸/mm 截面面积/em2理论质量/kg/m 参考数值 hbdtrr1 X-Xy-yY1-Y1 zo/cm Wx/cm3 1x/cm4 ix/cm Wy/cm3 Iy/cm4 iy/cmIy/cm4 550374.57.07.03.5 6.9285.43810.426.01.943.558.31.1020.91.35 22220799.011.5 11.5 5.8 36.24628.45323425708.4230.11762.213262.03 25a250787.012.0 12.0 6.0 34.91727.41027033709.8230.61762.243222.07 25b250809.012.0 12.0 6.0 39.91731.33528235309.4132.71962.223531.98 25c2508211.0 12.0 12.0 6.0 44.91735.26029536909.0735.92182.213841.92 28a280827.512.5 i2.5 6.2 40.03431.427340476010.935.72182.333882.10 28b280849.512.5 12.5 6.2 45.63435.823366513010.637.92422.304282.02 28c2808611.5 12.5 12.5 6.2 51.23440.219393550010.440.32682.294631.95 32a320888.014.0 14.0 7.0 48.51338.083475760012.546.53052.505522.24 32b3209010.0 14.0 14.0 7.0 54.91343.107509814012.249.23362.475932.16 32e3209212.0 14.0 14.0 7.0 61.31348.131543869011.952.63742.476432.09 36a360969.016.0 16.0 8.0 60.91647.8146601190014.063.54552.738182.44 36b3609811.0 16.0 16.0 8.0 68.11053.4667031270013.666.94972.708802.37 36c3601 100 13.0 16.0 16.0 8.0 75.31059.1187461340013.470.05362.679482.34 40a400100 10.5 18.0 18.0 9.0 75.06858.9288791760015.378.85922.8110702.49 40b400102 12.5 18.0 18.0 9.0 83.06865.2089321860015.082.56402.7811402.44 40c400104 14.5 18.0 18.0 9.0 91.06871.4889861970014.786.26882.7512202.42 6.5 ① 65404.87.57.53.8 8.5476.70917.055.22.544.5912.01.1928.31.38 12 ① 120535.59.09.04.5 15.36212.05957.73464.7510.237.41.5677.71.62 24a ① 240787.012.0 12.0 6.0 34.21726.86025430509.4530.51742.253252.10 24b ① 240809.012.0 12.0 6.0 39.01730.62827432809.1732.51942.233552.03 24c ① 2408211.0 12.0 12.0 6.0 43.81734.39629335108.9634.42132.213882.00 27a ① 270827.512.5 12.5 6.2 39.28430.838323436010.535.52162.343932.13 27b ① 270849.512.5 12.5 6.2 4.4.68435.077347469010.337.72392.314282.06 27c ① 2708611.5 12.5 12.5 6.2 50.08439.316372502010.139.82612.284672.03 30a ① 300857.513.5 13.5 6.8 43.90234.463403605011.741.12602.434672.17 30b ① 300879.513.5 13.5 6.8 49.90239.173433650011.444.02892.415152.13 30c ① 3008911.5 13.5 13.5 6.8 55.90243.883463695011.246.43162.385602.09 ① 经供需双方协议可以供应的型号。 2允许偏差见表 30 表表 30303030 热轧槽钢的尺寸允许偏差热轧槽钢的尺寸允许偏差mmmmmmmm 型 号56.36.58101212.614161820222425272830323640 高度 h1.52.02.03.03.0 腿宽 b1.52.02.53.03.5 腰厚 d0.40.50.60.70.8 弯腰挠度不应超过 0.15d 通常长度5～12m5～19m6～19m
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