y 1-y 1h b d t r r 1W x /cm 3I x /cm 4i x /cm W y /cm 3I y /cm 4i y /cm I y /cm 45037 4.577.0 3.5 6.928 5.43810.426 1.94 3.558.3 1.1020.9 1.356340 4.87.57.5 3.88.451 6.63416.150.8 2.45 4.511.9 1.1928.4 1.368043 5.088.0 4.010.2488.04525.3101 3.15 5.7916.6 1.2737.4 1.4310048 5.38.58.5 4.212.74810.00739.7198 3.957.825.6 1.4154.9 1.5212653 5.599.0 4.515.69212.31862.1391 4.9510.2438 1.5777.1 1.59a 14058 6.09.59.5 4.818.51614.53580.5564 5.521353.2 1.70107 1.71b 140608.09.59.5 4.821.31616.73387.1609 5.3514.161.1 1.69121 1.6716063 6.51010.0 5.021.96217.240108866 6.2816.373.3 1.83144 1.80160658.51010.0 5.025.16219.752117935 6.1017.683.4 1.82161 1.75180687.010.510.5 5.225.69920.17414112707.042098.6 1.96190 1.88180709.010.510.5 5.229.22923.0001521370 6.8421.5111 1.95210 1.84200737.01111.0 5.528.83722.63717817807.8624.2128 2.11244 2.01200759.01111.0 5.532.83725.77719119107.6425.9144 2.09268 1.95220777.011.511.5 5.831.84624.99921823908.6728.2158 2.23298 2.10220799.011.511.5 5.836.24628.45323425708.4230.1176 2.21326 2.03a 250787.01212.0 6.034.91727.41027033709.8210.6176 2.24322 2.07b
250809.01212.0 6.039.91731.33528235309.4132.7196 2.22353 1.98c 25082####1212.0 6.044.91735.26029536909.0735.9218 2.21384 1.92a 280827.512.512.5 6.240.03431.427340476010.935.7218 2.33388 2.10b
280849.512.512.5 6.245.63435.823366513010.637.9242 2.30428 2.02c 28086####12.512.5 6.251.23440.219393550010.440.3268 2.29463 1.95a 320888.01414.07.048.51338.0834********.546.5305 2.50552 2.2432090####1414.07.054.91343.107509814012.259.2336 2.47593 2.16c 32092####1414.07.061.31348.131543869011.952.6374 2.47643 2.09a 360969.01616.08.060.91047.8106601190014.063.5455 2.73818 2.44b
36098####1616.08.068.11053.4667031270013.666.9497 2.70880 2.37c 360100####1616.08.075.31059.1187461340013.470536 2.67948 2.34a 400100####1818.09.075.06858.9288791760015.378.8592 2.811070 2.49b
400102####1818.09.083.06865.2089321860015.082.5640 2.781140 2.44c
400
104
####
18
18.0
9.0
91.068
71.488
986
19700
14.7
86.2
688
2.75
1220
2.42
尺寸
14
252832
364020a 2022a 221012.6
16a 1618a 18参考数值
x-x y-y 56.38截面面积/cm2理论重量/(kg/m)z 0/cm 型号d —腰厚度i —惯性半径t —平均腿厚W —截面模量
r —内圆弧半径
z 0—y -y 与y 1-y 1轴线间距离表3 热轧普通槽钢（GB 707—88）
符号意义：
h —高度r 1—腿端圆弧半径b —腿宽度I —惯性矩
注：截面图和表中标注的圆弧半径r，r1的数据用于孔型设计，不做交货条件。