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SQUARE AND ROUND BARS
0.7843 kg/cm per meter or | (cft) cubic foot of steel=490 lbs

Diameter or
Width
(mm)
Weight per meter Sectional Area Perimeter
Square
(kg)
Round
(kg)
Square
(cm²)
Round
(cm²)
Square
(cm)
Round
(cm)
5.0 0.20 0.15 0.25 0.20 2.0 1.57
5.5 0.24 0.19 0.30 0.24 2.2 1.78
6.0 0.28 0.22 0.36 0.28 2.4 1.88
7.0 0.38 0.30 0.49 0.38 2.8 2.20
8.0 0.50 0.39 0.64 0.50 3.2 2.51
 
9.0 0.64 0.50 0.81 0.64 3.6 2.83
10 0.73 0.63 1.00 0.79 4.0 3.14
11 0.95 0.75 1.21 0.95 4.4 3.46
12 1.13 0.89 1.44 1.13 4.8 3.77
14 1.54 1.21 1.96 1.54 5.6 4.40
 
16 2.01 1.58 2.56 2.01   6.4 5.03
18 2.54 2.00 3.24 2.54   7.2 5.65
20 3.14 2.47 4.00 3.14   8.0 6.28
22 3.80 2.98 4.84 3.80   8.8 6.91
25 4.91 3.85 6.25 4.91 10.0 7.85

 

28   6.15   4.83   7.84   6.16 11.2   8.80
32   8.04   6.31 10.24   8.04 12.8 10.05
36 10.17   7.99 12.96 10.18 14.4 11.31
40 12.56   9.86 16.00 12.57 16.0 12.57
45 15.90 12.49 20.25 15.90 18.0 14.14

 

50 19.62 15.41 25.00 19.64 20.0 15.71
56 24.62 19.34 31.36 24.63 22.4 17.59
63 31.16 24.47 36.69 31.17 25.2 19.79
71 39.57 31.08 50.41 39.59 28.4 22.31
80 50.24 39.46 64.00 50.27 32.0 25.13


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