6.热轧工字钢(GB706-1988)

截面尺寸及理论质量见表1-12。

表1-12

续表

型号尺寸/mm理论质量
/(kg/m)hbd28b
30a
30b
30c
32a
32b
32c
36a
36b
36c
40a
40b
40c
45a
45b
45c
50a
50b
50c
55a
55b
55c
56a
56b
56c
63a
63b
63c280
280
300
300
320
320
320
360
360
360
400
400
400
450
450
450
500
500
500
550
550
550
560
560
560
630
630
630124
126
128
130
130
132
134
136
138
140
142
144
146
150
152
154
158
160
162
166
168
170
166
168
170
176
178
18010.5
9.0
11.0
13.0
9.5
11.5
13.5
10.0
12.0
14.0
10.5
12.5
14.5
11.5
13.5
15.5
12.0
14.0
16.0
12.5
14.5
16.5
12.5
14.5
16.5
13.0
15.0
17.047.888
48.084
52.794
57.504
52.717
57.741
62.765
60.037
65.689
71.341
67.598
73.878
80.158
80.420
87.485
94.550
93.654
101.504
109.354
105.335
113.970
122.605
106.316
115.108
123.900
121.407
131.298
141.189