12
L180×
1416181416
L200×
182024
1816
48.949.750.551.354.655.456.256.958.4
42.2448.955.4761.9554.6462.0169.376.590.66
33.1638.3843.5448.6342.8948.6854.460.0671.17
132115141701188121042366262128673338
270304.6336.9367.1385.1427466.5503.6571.5
不等边角钢
角钢型号B×b×t
圆角R
Zx(mm)
L25×16×
34343434343
L56×36×
454
L63×40×
5674
L70×45×
5675
L75×50×
68105
L80×50×
6785
L90×56×
678
不等边角钢
单角钢
重心矩
Zy
截面积A(cm2)
8.6910.811.213.213.714.715.11616.517.818.218.720.420.821.221.622.322.823.223.62424.425.2262626.526.927.329.129.53030.4
1.161.51.491.941.892.472.152.812.433.182.743.594.424.064.995.916.84.555.616.647.666.137.269.4711.66.387.568.729.877.218.569.8811.2
质量(kg/m)0.911.181.171.521.481.941.692.21.912.492.152.823.473.193.924.645.343.574.45.226.014.815.77.439.155.936.857.755.666.727.768.78
回转半径
ix
iy(cm)
0.440.430.550.540.70.690.790.780.910.91.031.021.011.141.121.111.11.291.281.261.251.431.421.41.381.421.411.391.381.591.581.571.56
0.780.771.0111.281.261.441.431.61.591.81.791.772.0221.991.962.252.232.222.22.392.382.352.332.572.552.542.522.92.882.872.85
3.5
4.24.64.95.35.96.36.46.87.37.78
L32×20×3.5
L40×25×4
L45×28×5
L50×32×5.5
68.58.89.2
7
9.59.910.310.2
7.5
10.61111.311.7
8
12.112.913.611.4
8
11.812.112.512.5
9
12.913.313.6
角钢型号B×b×t
单角钢
圆角R(mm)
6
L100×63×
78106
L100×80×
78106
L110×70×
78107
L125×80×
810128
L140×90×
10121410
L160×100×
12141610
L180×110×
12141612
L200×125×
141618
1414131211101010
Zx(cm2)14.314.71515.819.720.120.521.315.716.116.517.21818.419.22020.421.221.922.722.823.624.325.124.425.225.926.728.329.129.930.6
重心矩
Zy(kg/m)32.432.833.23429.53030.431.235.335.736.23740.140.641.442.24545.846.647.452.453.25454.858.959.860.661.465.466.267.867
截面积A(cm)9.6211.112.615.510.612.313.917.210.612.313.917.214.11619.723.41822.326.430.525.330.134.739.328.433.73944.137.943.949.755.5
质量
ix
(cm)7.558.729.8812.18.359.6610.913.58.359.6610.913.511.112.615.518.314.217.520.723.919.923.627.230.822.326.530.634.629.834.43943.6
(cm)1.791.781.771.752.42.392.372.352.0121.981.962.32.292.262.242.592.562.542.512.852.822.82.773.133.13.083.053.573.543.523.49
回转半径
iy(mm)3.213.23.183.153.173.163.153.123.543.533.513.484.024.013.983.954.54.474.444.425.145.115.085.058.568.68.648.686.446.416.386.35
注：一个角钢的惯性矩Ix=Aix2，Iy=Aiy2；一个角钢的截面个角钢的截面模量
Wxmax=Ix/Zx，Wxmin=Ix/(b-Zx);
Wyax=IyZyWxmin=Iy(b- Zy)。
i—回转半径；Sx—半截面的面积矩；长度：
型号10～18，长5～19m； 型号20～63，长6～19m。
x-x轴
Ixcm424548871211271699236925023406358350175278711574811108011626121731579616574173512171422781238473224133759352784647248556506396557668503714309400498171102339
Wxcm34977102141185237250310326401422508534692727761878921964108611391192143315001568185919422026234224472551298431173249
ixcm4.145.195.756.577.378.167.958.998.7810.29.9311.311.112.812.612.314.414.113.815.915.615.317.717.417.119.719.419.12221.621.324.724.223.9
Ix/Sxcm8.691112.213.915.417.417.119.218.921.721.424.32427.727.326.93130.630.234.433.933.538.538.137.642.942.341.947.947.346.853.853.252.6
Iycm433476493123158169226240280297344364459484510555584614660693727855895938112211711224136614241485170217711842
y-y轴Wycm39.612.716.121.126.231.633.141.142.948.450.456.458.770.673.376.181.684.687.792.996.299.7114118122142146151165170175194199205
Iycm1.511.611.731.8922.112.072.322.272.42.362.492.442.622.572.532.692.642.62.772.712.672.892.842.793.073.012.963.183.123.073.323.253.2
轴
Iy(cm)2.473.113.734.374.994.856.296.097.147.497.248.788.849.521010.19.7310.210.42.353.574.184.6967.267.186.87.036.636.856.91.111.311.652.052.22.212.782.793.26
3.273.863.933.214.484.543.084.314.383.044.274.334.434.044.114.216.536.78
长度：
型号5～8，长5～12m；型号10～18，长5～19m；型号20～20，长6～19m。
x-x轴
Ix(cm4)265110119838956460986693512731370178019142394
Wx(cm3)10.416.325.339.761.780.587.1108.3116.8141.4152.2178191.4217.6
ix(cm)1.942.463.143.944.985.525.356.286.17.046.847.867.648.67
Iy(cm4)8.311.916.625.63853.261.273.483.498.6111128143.6157.8
y-y轴Wy(cm3)3.54.65.87.810.31314.116.317.62021.524.225.928.2
Iy(cm)1.11.191.271.421.561.71.691.831.821.961.952.112.092.23
y-y1轴Iy1(cm4)20.928.337.454.977.8107.2120.6144.1160.8189.7210.1244268.4298.2
Z0(cm)1.351.391.421.521.591.711.671.791.751.881.842.011.952.1
常用型钢规格表
