热轧普通工字钢 尺寸规定
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GB706-88
h
b
t w
t
r
r 1
截面面积
每米重量cm 2
kg/m I1010068 4.57.6 6.5 3.314.3311.261I121207458.47 3.517.81813.987I12.61267458.47 3.518.114.223I1414080 5.59.17.5 3.821.516.89I161608869.98426.1120.513I1818094 6.510.78.5 4.330.7424.143I20a 200100711.49 4.535.5527.929I20b 200102911.49 4.539.5531.069I22a 2001107.512.39.5 4.842.133.07I22b 2001129.512.39.5 4.846.536.524I24a 24011681310547.74137.477I24b 240118101310552.54141.245I25a 25011681310548.5138.105I25b 250118101310553.5142.03I27a 2701228.513.710.5 5.354.55442.825I27b 27012410.513.710.5 5.359.95447.064I28a 2801228.513.710.5 5.355.3743.492I28b
280
124
10.5
13.7
10.5
5.3
60.97
47.888
热轧普通工字钢 尺
普通工字钢规格
mm
尺 寸
截 面 信 息
外表面积I x
W x
S x
i.x
I y
W y
i.y
m 2/m cm 4cm cm 4cm 3cm 0.432454928.2 4.1432.89.6 1.510.548877.444.4 5.1946.912.7 1.610.55712101.758.4 5.7564.316.1 1.730.621127140.980.8 6.5793.121.1 1.890.681669185.4106.57.37122.926.220.742369236.9136.18.16157.931.6 2.110.752502250.2146.17.9516933.1 2.070.823406309.2177.78.99225.941.1 2.320.82
3583
325.8
189.8
8.78
240.2
42.9
2.27
0.95017401.4230.710.17280.448.4 2.40.9
5278
422.2
246.3
9.93
297.4
50.4
2.36
0.987115508.2292.711.34344.156.4 2.490.98
7481
534.4
312.3
11.08
363.8
58.7
2.44
钢 尺寸规定
cm 3
面 信 息
X - X
Y - Y