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1、Ix/cm4ix/cmWx/cm3Iy/cm4iy/cmWy/cm3Ix1/cm4Y0/cmIY1/cm4X0/cmIu/cm4iu/cmWu/cm3tan31.1620.9120.080.70.780.430.220.440.191.560.860.430.420.140.340.160.39241.4991.1770.0790.880.770.550.270.430.242.090.90.590.460.170.340.20.38131.4921.1710.1021.531.010.720.460.550.33.271.080.820.490.280.430.250.38241.9391.
2、5220.1011.9310.930.570.540.394.371.121.120.530.350.420.320.37431.891.4840.1273.081.281.150.930.70.496.391.321.590.590.560.540.40.38642.4671.9370.1273.931.261.491.180.690.638.531.372.140.630.710.540.520.38132.1491.6870.1434.451.441.471.340.790.629.11.472.230.640.80.610.510.38342.8062.2030.1435.691.42
3、1.91170.780.812.131.5130.681.020.60.660.3832.4311.9080.1616.241.61.842.020.910.8212.491.63.310.731.20.70.680.40443.1772.4940.168.021.592.392.580.91.0616.651.654.450.771.530.690.870.40232.7432.1530.1818.881.82.322.921.031.0517.541.784.70.81.730.790.870.40843.592.8180.1811.451.793.033.761.021.3723.391
4、.826.330.852.230.791.130.40854.4153.4660.1813.861.773.714.491.011.6529.251.877.940.882.670.781.360.40444.0583.1860.20216.492.023.875.231.141.733.32.048.630.923.120.881.40.39854.9933.920.20220.0224.746.311.122.7141.632.0810.860.953.760.871.710.39665.9084.6380.20123.361.965.597.291.112.4349.982.1213.1
5、20.994.340.861.990.39376.8025.340.20126.531.986.48.241.12.7858.072.1515.471.034.970.862.290.38944.5473.5690.22623.172.264.867.551.292.1745.922.2412.261.024.40.981.770.4155.6094.4030.22527.952.235.929.131.282.6557.12.2815.391.065.40.982.190.40766.6475.2180.22532.542.216.9510.621.263.1268.352.3218.581
6、.096.350.982.590.40477.6576.0110.22537.222.28.0312.011.253.5779.992.3621.841.137.160.972.940.40256.1254.8080.24534.862.396.8312.611.443.3702.421.041.177.411.12.740.43567.265.6990.24541.122.388.1214.71.423.8884.32.4425.371.218.541.083.190.43589.4677.4320.24452.392.3510.5218.531.44.99112.52.5234.231.2
7、910.871.074.10.4291011.599.0980.24462.712.3212.7921.961.386.04140.82.643.431.3613.11.064.990.42356.3755.0040.25541.962.567.7812.821.423.3285.212.621.061.147.661.102.740.38867.565.9350.25549.492.569.2514.951.413.91102.532.6525.411.188.851.083.200.38778.7246.8480.25556.162.5410.5816.961.394.45119.332.
8、6929.821.2110.181.083.700.38489.8677.7460.25462.832.5211.9218.861.385.03136.412.7334.321.2511.381.074.160.38157.2125.6610.28760.452.99.9218.321.594.21121.322.9129.531.2510.931.233.40.38568.5576.7170.28671.032.8811.7421.421.584.96145.592.9535.581.2912.91.234.130.38479.887.7560.28681.012.8613.4924.361
9、.575.7169.66341.711.3314.671.224.720.382811.1838.7790.28691.032.8515.2727.151.566.41194.173.0447.931.3616.341.215.290.3869.6177.5490.32099.063.2114.6430.941.796.35199.713.2450.51.4318.421.385.250.394711.1118.7220.320113.453.219.8835.261.787.292333.2859.141.47211.386.020.393812.5849.8780.319127.373.1
10、819.0839.391.778.21266.323.3267.881.523.51.376.780.3911015.467 12.1420.319153.813.1523.3247.121.749.98333.063.485.731.5828.331.358.240.3875.6/3.6563666.3/4634072855/3.250325.5表3.2-106 热轧不等边角钢的尺寸规格 表3.2-106 热轧不等边角钢的尺寸规格 (摘自GB/T 9788-1988)型号尺寸/mm截面面积 cm2理论重量 Kg/m外表面积 cm2Bdu-u参考数值Y1-Y12.5/1.6253.53.2/2
11、32r97/4.570457.54/2.54044.5/2.845257.5/57589/5.6905650X1-X18.0/580508.5b16Y-YX-X2010/6.3100 6310Ix/cm4ix/cmWx/cm3Iy/cm4iy/cmWy/cm3Ix1/cm4Y0/cmIY1/cm4X0/cmIu/cm4iu/cmWu/cm3tan表3.2-106 热轧不等边角钢的尺寸规格 表3.2-106 热轧不等边角钢的尺寸规格 (摘自GB/T 9788-1988)型号尺寸/mm截面面积 cm2理论重量 Kg/m外表面积 cm2Bdu-u参考数值Y1-Y1rX1-X1bY-YX-X610.6
12、378.350.354107.043.1715.1961.242.410.16199.832.95102.681.9731.651.728.370.627712.3019.6560.354122.733.1617.5270.082.3911.71233.23119.982.0136.171.729.60.626813.944 10.9460.353137.923.1419.8178.582.3713.21266.613.04137.372.0540.581.7110.80.6251017.167 13.4760.353166.873.1224.2494.652.3516.12333.633.1
13、2172.482.1349.11.6913.120.622610.6378.350.354133.373.5417.8542.922.017.9265.783.5369.081.5725.361.546.530.403712.3019.6560.354153.003.5320.649.0129.09310.73.5780.321.6128.951.537.50.402813.944 10.9460.353172.043.5123.354.871.9810.25254.393.6292.71.6532.451.538.450.4011017.167 13.4760.353208.393.4828
14、.5465.881.9612.48443.133.7116.831.7239.21.5110.290.397714.096 11.0650.403227.984.0226.8674.422.312.01454.994.01120.321.843.811.769.920.408815.989 12.5510.403256.774.0130.4183.492.2813.56519.994.06137.851.8449.151.7511.180.4071019.712 15.4740.402312.043.9837.33100.672.2616.56950.094.14173.41.9259.451
15、.7413.640.4041223.351 18.3310.402364.413.9544.01116.672.2419.43780.394.22209.67269.351.7216.010.4818.03814.160.453365.644.538.48120.692.5917.34730.534.5195.792.0470.831.9814.310.4111022.261 17.4750.452445.54.1747.31146.032.5621.22913.24.58245.922.1285.821.9617.480.4091226.420.7240.451521.594.4455.87
16、169.792.5424.951096.094.66296.892.19100.211.9520.540.4061430.456 23.9080.451594.14.4264.18192.12.5128.541279.264.47348.822.27114.131.9423.520.4031025.315 19.8720.512668.695.1462.13205.032.8526.561362.895.24336.592.28121.742.1921.920.391230.054 23.5920.511784.915.1173.49239.062.8231.281635.565.32405.
17、942.36142.332.1725.790.3881434.709 27.2470.51896.35.0884.56271.22.835.831908.55.4476.422.43162.232.1629.560.3851639.281 30.8360.511003.045.0595.33301.62.7740.242181.795.48548.222.51182.572.1633.440.3821028.373 22.2730.571956.255.878.96278.113.1332.491940.45.89447.222.44166.52.4226.880.3761233.712 26
18、.4640.5711124.725.7893.53325.033.138.322328.385.98538.942.52194.872.4031.660.3741438.967 30.5890.571296.915.75107.76369.553.0843.972716.66.06631.952.59222.32.3936.320.3721644.139 34.6490.5691443.065.72121.64411.853.0649.443105.156.14726.462.67248.942.3840.870.3691237.912 29.7610.6411570.96.44116.734
19、83.163.5749.993193.856.54787.742.83285.792.7441.230.3921443.867 34.4360.641800.976.41134.65550.833.5457.443726.176.62922.472.91326.582.7347.340.3901649.739 39.0450.6392023.356.38152.18615.443.5264.694258.866.71058.862.99366.212.7153.320.3881855.526 43.5880.6392238.36.35169.33677.193.4971.7447926.781
20、197.133.06404.832.759.180.385 1、本表r1=d/3和 r 数值用于孔型设计,不做交货条件 2、角钢边宽、边厚的偏差及长度符合下列规定：角钢号2.5/1.6-5.6/3.6 边宽偏差0.8 边厚偏差0.4 长度 4-12m 角钢号6.3/4-9/5.6 边宽偏差1.5 边厚偏差0.6 长度 4-12m 角钢号10/6.3-14/9 边宽偏差2.0 边厚偏差0.7 长度 4-19m 角钢号16/10-20/12.5 边宽偏差2.5 边厚偏差1.0 长度 6-19m10/8.0100108011/7.0110 7010 B-长边宽度 b-短边宽度 d-边厚 r-内圆弧半
21、径 r1-边端内半径(r1=d/3)i-惯性半径 I-惯性矩 W-截面系数 X0,Y0-重心距离 X轴-过重心且与短边平行的轴线 X1轴-过短边轴线 Y轴-过重心且与长边平行的轴线 Y1-过长边轴线 u轴-过重心与X轴夹角的轴线12.5/8125 801016/10.0 160 1001214/9.0140 901120/12.5 200 1251418/11.0 180 11014Ix/cm4ix/cmWx/cm3Iy/cm4iy/cmWy/cm3Ix1/cm4Y0/cmIY1/cm4X0/cmIu/cm4iu/cmWu/cm3tan表3.2-106 热轧不等边角钢的尺寸规格 表3.2-106 热轧不等边角钢的尺寸规格 (摘自GB/T 9788-1988)型号尺寸/mm截面面积 cm2理论重量 Kg/m外表面积 cm2Bdu-u参考数值Y1-Y1rX1-X1bY-YX-X 3、标记示例:普通碳素结构钢Q235A 尺寸为16010010mm热轧等边角钢,其标记为:热轧等边角钢 16010010-GB/T9788-1988 Q235A-GB/T700-1988