(1)尺寸规格
热轧工字钢的尺寸规格
型号
尺 寸/mm
截面面积
/em2
理论质量/(kg/m)
参考数值
X-X
Y-Y
h
b
d
t
r
r1
1x/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
10.7
8.5
4.3
30.756
24.143
1660
185
7.36
15.4
122
26.0
2.00
20a
200
11.4
9.0
35.578
27.929
2370
237
8.15
17.2
158
31.5
2.12
20b
39.578
31.069
2500
250
7.96
16.9
169
33.1
2.06
22a
220
110
12.3
9.5
4.8
42.128
33.070
3400
309
8.99
18.9
225
40.9
2.31
22b
112
46.528
36.524
3570
325
8.78
18.7
239
42.7
2.27
25a
116
13.0
10.0
48.541
38.105
5020
402
10.2
21.6
280
48.3
2.40
25b
118
53.541
42.030
5280
423
9.94
21.3
52.4
28a
13.7
10.5
5.3
55.404
43.492
7110
508
11.3
24.6
345
56.6
2.50
28b
124
61.004
47.888
7480
534
11.1
24.2
379
61.2
2.49
32a
320
130
15.0
11.5
5.8
67.156
52.717
11100
692
12.8
27.5
460
70.8
2.62
32b
132
73.556
57.741
11600
726
27.1
502
76.0
2.61
32c
134
13.5
79.956
62.765
12200
760
26.8
544
81.2
36a
360
136
15.8
76.480
60.037
15800
875
14.4
30.7
552
2.69
36b
138
83.680
65.689
16500
919
14.1
30.3
582
84.3
2.64
36c
14.0
90.880
71.341
17300
962
29.9
612
87.4
2.60
40a
400
142
16.5
12.5
6.3
86.112
67.598
21700
1090
15.9
34.1
660
93.2
2.77
40b
144
94.112
73.878
22800
1140
15.6
33.6
96.2
2.71
40c
146
14.5
102.112
80.158
23900
1190
15.2
33.2
727
99.6
2.65
45a
450
150
18.0
6.8
102.446
80.420
22200
1430
17.7
38.6
855
114
2.89
45b
152
6_8
111.446
87.485
33800
1500
17.4
38.0
894
2.84
45c
154
15.5
120.446
94.550
35300
1570
17.1
37.6
938
2.79
50a
500
20.0
119,304
93.654
46500
1860
19.7
42.8
1120
3.07
50b
129.304
101.504
48600
1940
19.4
42.4
1170
3.01
50c
162
16.0
139.304
109.354
50600
2080
19.0
41.8
1220
151
2.96
56a
560
166
21.0
7.3
135.435
106.316
65600
2340
22.0
47.7
1370
165
3.18
56b
168
146.635
115.108
68500
2450
47.2
1490
174
3.16
56c
170
157.835
123.900
71400
2550
46.7
1560
183
63a
630
176
154.658
121.407
93900
2980
24.5
54.2
1700
193
3.31
63b
178
167.258
131.298
98100
3160
53.5
1810
204
3.29
63c
17.0
179.858
141.189
102000
3300
23.8
52.9
1920
214
3.27
12①
120
17.818
13.987
436
72.7
4.95
10.3
1.62
24a①
240
47.741
37.477
4570
381
9.77
20.7
48.4
2.42
24b①
52.541
41.245
4800
9.57
20.4
297
50.4
2.38
27a①
270
54.554
42.825
6550
485
10.9
2.51
27b①
59.954
47.064
6870
509
22.9
366
58.9
2.47
30a①
300
11.0
61.254
48.084
8950
597
12.1
25.7
63.5
2.55
30b①
128
67.254
52.794
9400
627
11.8
25.4
422
65.9
30c①
73.254
57.504
9850
657
11.6
25.0
445
68.5
2.46
55a①
550
134.185
105.335
62900
2290
164
3.19
55b①
145.185
113.970
2390
46.4
1420
3.14
55c①
156.185
122.605
68400
2490
20.9
45.8
1480
175
3.08
①所列工字钢是经供需双方协议,可以供应的型号。
(2) 允许偏差