Language：CHINESESENGLISH
Hot rolled ordinary joist steel, also called steel beam, is strip steel with I-shape section. Its section size is represented as waist height (h) x waist thickness (d) mm, such as waist height **mm, waist width **mm. Thick waist is marked as "I-shape". Another tag method is type marked, that is, waist height showed as centimeters, such as 16#. I-shape steel with same height but different waist thickness and legs width different beams will be recognized with type on right side, like #, etc. Hot rolled I-shape beams can be divided into common i-steel and light beams. (1) Common i-steel Main purpose: Ordinary beams are widely used in various building structures, Bridges, vehicles, support and machinery, etc. (2) Light beams Flange of common i-steel and light beams are gradually becoming thinner from root to the edge with certain angle. Compared with ordinary beams, hot rolling light beams has wider leg and thinner waist in same wait height conditions. Guaranteed the bearing capacity, the light beams have better stability, metal saving and better economic effect than ordinary beams. Main use: The same with ordinary beams, it is mainly used in factories, Bridges and other large structures and vehicle manufacturing, etc.Parameters of the specification
Size
Height
Wide leg
Deep waist
Heavy body
10#
100
68
4.5
11.261
12#
120
74
5
13.987
14#
140
80
5.5
16.89
16#
160
88
6
20.513
18#
180
94
6.5
24.143
20#a
200
7
27.929
20#b
102
9
31.069
22#a
220
110
7.5
33.07
22#b
112
9.5
36.524
25#a
250
116
8
38.105
25#b
118
10
42.03
28#a
280
122
8.5
43.492
28#b
124
10.5
47.888
30#a
300
126
48.084
30#b
128
11
52.794
32#a
320
130
52.717
32#b
132
11.5
57.741
32#c
134
13.5
62.765
36#a
360
136
60.037
36#b
138
12
65.689
36#c
14
71.341
40#a
400
142
67.598
40#b
144
12.5
73.878
40#c
146
14.5
80.158
45#a
450
150
80.42
45#b
152
87.485
45#c
154
15.5
84.55
56#a
560
166
106.316
56#b
168
115.108
56#c
170
16.5
123.9
63#a
630
176
13
121.407
63#b
178
15
131.298
63#c
17
141.189
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