热轧不等边角钢.gb

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1、热轧不等边角钢（GB／T9788--1988）www.zh818.com　2009-4-2417:40:58　中国钢材价格网(1)尺寸规格见表4-21。(2)允许偏差见表4_22。 表4～21热轧不等边角钢的尺寸规格角钢号数尺 寸／m截面面积/cm²理论质量/(kg/m)外表面积/(m²/m)参考数值x-xY-YX1～X1Y1-Y1U-UBbdrIx/cm4ix/cmWx/cm³Iy/cm4Iy/cmWy/cm³Ix1/cm4Yo/cmIyo/cm4Xo/cmIu/cm4iu/cmWu/cm3tana2.5／1.625 16 343.51.1

2、621.499O．9121.176O．080O．079O．700.88O．780.770.43O．55O．22O．270.44O．430.190.241.562.09O．860.90O．43O．59O．420.460.14O．17O．340.34O．160.200.3920.3813.2/23220341.4921.9391.1711.522O．1020.1011.531.931.011．00O．72O．93O．46O．57O．55O．540.30O．393.274.371.081.120.821.12O．49O．530.28O．350.43

3、O．420.25O．32O．3820.3744／2.540253441.8902.4671.4841.9360.127O．1273.083.931.281.361.151.490.931.180.700.690.49O．635.398.531.321.371.592.14O．59O．63O．56O．710.540.54O．40O．52O．386O．3814.5／2.845283452.1492.8061.6872.203O．1430.1434.455.691.441.421.471.911.341.700.79O．780.62O．809.10

4、12.131.471.512.233.00O．640.68O．801.02O．610.600.51O．660.383O．3805／3.2 50 3234 2.4311.9082.4940.161O．1606.248.021.601.591.842.392.022.58O．910.900.821.0612.491.601.653.314.450.73O．771.201.53O．70O．69O．680.870.4040.4025.53.17716.65             角钢号数尺 寸／m截面面积/cm²理论质量/(kg/m)外表面积/(m

5、²/m)参考数值x-xY-YX1～X1Y1-Y1U-UBbdrIx/cm4ix/cmWx/cm³Iy/cm4Iy/cmWy/cm³Ix1/cm4Yo/cmIyo/cm4Xo/cmIu/cm4iu/cmWu/cm3tana5.6／3.6 56  36 345 6 2.7433.5904.4152.1532.8183.466O．181O．180O．1808.8811.4513.861.801.791.772.323.033.712.923.764.491.031.021.011.051.371.6517.5423.3929.251.781.821

6、.874.706.337.94O．800.850.881.732.232.670.790.790.78O．871.131.360.4080.408O．4046.3／4  63  40 4567 7 4.0584.9935.9086.8023.1853.9204.6385.3390.202O．202O．201O．20116.4920.0223.3626.532.022.001.961.983.874.745.596.405.236.317.298.241.141.121.111.101.702.712.432.7833.3041.6349.98

7、58.072.042.082.122.158.6310.8613.1215.470.92O．950.991.033.123.764.344.97O．88O．870.86O．861.401.711.992.290.398O．396O．3930.3897／4.5  70  45 45677.5 4.5475.6096.6477.6573.5704.4035.2186.011O．2260.2250.2250.22523.1727.9532.5437.222.262.232.212.204.865.926.958.037.559.131O．6212.

8、011.291.281.261.252.172.653.123.5745.9257.1068.3579.992.242.282.322.3612.2615.3918