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Weight of mild steel square bars can be calculated as
W = 0.00785 s
2
where
W = weight (kg/m)
s = square bar side (mm)
Bar Diameter
(mm)
Weight
(kg/m)
8
0.50
10
0.79
12.5
1.22
16
2.01
20
3.14
25
4.91
30
7.07
32
8.04
40
12.6
45
15.9
50
19.6
60
28.3
75
44.2
90
63.6
100
78.5