Item

Size(mm)

Sec.Wt.

Sec.
Area,a

D

B

t

T

kg/m

cm²

mm

mm

mm

mm

ISMC
ISMC
UNP
UNP
ISMC
ISMC
ISMC
ISMC
ISMC
ISMC
ISMC
ISMC
ISMC
ISMC

75x40
100x50
100x50
120x55
125x65
150x75
175x75
180x70
200x75
200x75
250x80
250x82
300x90
300x100

7.14
9.56
10.60
13.40
13.10
16.80
19.60
22.00
22.30
25.30
30.60
34.20
36.30
46.20

9.10
12.2
13.50
17.00
16.70
21.30
24.90
28.00
28.50
32.30
39.00
43.50
46.30
58.80

75
100
100
120
125
150
175
180
200
200
250
250
300
300

40
50
50
55
65
75
75
70
75
75
80
82
90
100

4.8
5.0
6.0
7.0
5.3
5.7
6.0
8.0
6.2
8.5
7.2
9.0
7.8
10.0

7.5
7.7
8.5
9.0
8.2
9.0
10.2
11.0
11.4
11.4
14.1
14.1
13.6
16.0