工字钢国标参数表.doc

工字钢国标参数
下表为现阶段最全工字钢国家标准型号参数表，希望它能帮助到朋友们！（附带字母说明）

型号

尺寸/mm
截面面积/cm2
理论质量/(kg/m)
参考数值
X～X
Y-Y
h
b
d
t
r
r1
Ix/cm4
Wx/cm3
ix/cm
Ix:Sx
Iy/cm4
Wy/cm3
iy/cm
10
100
68
4.5
7.6
6.5
3.4
14.345
11.261
245
49
4.14
8.59
33.0
9.72
1.52
12.6
126
74
5.0
8.4
7.0

3.5
18.118
14.223
488
77.5
5.20
10.8
46.9
12.7
1.61
14
140
80
5.5
9.1
7.5
3.8
21.516
16.890
712
102
5.76
12.0
64.4
16.1
1.73
16
160
88
6.0
9.9
8.0
4.0
26.131
20.513
1130
141
6.58
13.8
93.1
21.2
1.89
18
180
94
6.5
10.7
8.5
4.3
30.756
24.143
1660
185
7.36
15.4
122
26.0
2.00
20a
200
100
7.0
11.4
9.0
4.5
35.578
27.929
2370
237
8.15
17.2
158
31.5
2.12
20b
200
102
9.0
11.4
9.0
4.5
39.578
31.069
2500
250
7.96
16.9
169
33.1
2.06
22a
220
110
7.5
12.3
9.5
4.8
42.128
33.070
3400
309
8.99
18.9
225
40.9
2.31
22b
220
112
9.5
12.3
9.5
4.8
46.528
36.524
3570
325
8.78
18.7
239
42.7
2.27
25a
250
116
8.0
13.0
10.0
5.0
48.541
38.105
5020
402
10.2
21.6
280
48.3
2.40
25b
250
118
10.0
13.0
10.0
5.0
53.541
42.030
5280
423
9.94
21.3
309
52.4
2.40
28a
280
122
8.5
13.7
10.5
5.3
55.404
43.492
7110
508
11.3
24.6
345
56.6
2.50
28b
280
124
10.5
13.7
10.5
5.3
61.004
47.888
7480
534
11.1
24.2
379
61.2
2.49
32a
320
130
9.5
15.0
11.5
5.8
67.156
52.717
11100
692
12.8
27.5
460
70.8
2.62
32b
320
132
11.5
15.0
11.5

5.8
73.556
57.741
11600
726
12.6
27.1
502
76.0
2.61
32c
320
134
13.5
15.0
11.5
5.8
79.956
62.765
12200
760
12.3
26.8
544
81.2
2.61
36a
360
136
10.0
15.8
12.0
6.0
76.480
60.037
15800
875
14.4
30.7
552
81.2
2.69
36b
360
138
12.0
15.8
12.0
6.0
83.680
65.689
16500
919
14.1
30.3
582
84.3
2.64
36c
360
140
14.0
15.8
12.0
6.0
90.880
71.341
17300
962
13.8
29.9
612
87.4
2.60
40a
400
142
10.5
16.5
12.5
6.3
86.112
67.598
21700
1090
15.9
34.1
660
93.2
2.77
40b
400
144
12.5
16.5
12.5
6.3
94.112
73.878
22800
1140
15.6
33.6
692
96.2
2.71
40c
400
146
14.5
16.5
12.5
6.3
102.112
80.158
23900
1190
15.2
33.2
727
99.6
2.65
45a
450
150
11.5
18.0
13.5
6.8
102.446
80.420
22200
1430
17.7
38.6
855
114
2.89
45b
450
152
13.5
18.0
13.5
6_8
111.446
87.485
33800
1500
17.4
38.0
894
118
2.84
45c
450
154
15.5
18.0
13.5
6.8
120.446
94.550
35300
1570
17.1
37.6
938
122
2.79
50a
500
158
12.0
20.0
14.0
7.0
119,304
93.654
46500
1860
19.7
42.8
1120
142
3.07
50b
500
160
14.0
20.0
14.0
7.0
129.304
101.504
48600
1940
19.4
42.4
1170
146
3.01
50c
500
162
16.0
20.0
14.0
7.0
139.304
109.354
50600
2080
19.0
41.8
1220
151
2.96
56a
560
166
12.5
21.0
14.5
7.3
135.435
106.316
65600
2340
22.0
47.7
1370
165
3.18
56b
560
168
14.5
21.0
14.5
7.3
146.635
115.108
68500
2450
21.6
47.2
1490
174
3.16
56c
560
170
16.5
21.0
14.5
7.3
157.835
123.900
71400
2550
21.3
46.7
1560
183
3.16
63a
630
176
13.0
22.0
15.0
7.5
154.658
121.407
93900
2980
24.5
54.2
1700
193
3.31
63b
630
178
15.0
22.0
15.0
7.5
167.258
131.298
98100
3160
24.2
53.5
1810
204
3.29
63c
630
180
17.0
22.0
15.0
7.5
179.858
141.189
102000
3300
23.8
52.9
1920
214
3.27
12①
120
74
5.0
8.4
7.0
3.5
17.818
13.987
436
72.7
4.95
10.3
46.9
12.7
1.62
24a①
240
116
8.0
13.0
10.0
5.0
47.741
37.477
4570
381
9.77
20.7
280
48.4
2.42
24b①
240
118
10.0
13.0
10.0
5.0
52.541
41.245
4800
400
9.57
20.4
297
50.4
2.38
27a①
270
122
8.5
13.7
10.5
5.3
54.554
42.825
6550
485
10.9
23.8
345
56.6
2.51
27b①
270
124
10.5
13.7
10.5
5.3
59.954
47.064
6870
509
10.7
22.9
366
58.9
2.47
30a①
300
126
9.0
14.4
110
5.5
61.254
48.084
8950
597
12.1
25.7
400
63.5
2.55
30b①
300
128
11.0
14.4
11.0
5.5
67.254
52.794
9400
627
11.8
25.4
422
65.9
2.50
30c①
300
130
13.0
14.4
11.0
5.5
73.254
57.504
9850
657
11.6
25.0
445
68.5
2.46
55a①
550
168
12.5
21.0
14.5
7.3
134.185
105.335
62900
2290
21.6
46.9
1370
164
3.19
55b①
550
168
14.5
21.0
14.5
7.3
145.185
113.970
65600
2390
21.2
46.4
1420
170
3.14
55c①
550
170
16.5
21.0
14.5
7.3
156.185
122.605
68400
2490
20.9
45.8
1480
175
3.08

符号意义：
h—高度；r1—腿端圆弧半径；
b—腿宽度；l—惯性矩；
d—腰厚度；W—抗弯截面系数；t—平均腿厚度；
i—惯性半径；C—形心；
r—内圆弧半径；S—半截面的静力矩。