Steel Flats Weights

Typically weight of mild steel flats

The weight of a mild steel flat can be calculated as

W = 0.0075 w t  (1)

where

W = weight (kg/m)

w = flat width (mm)

t = flat thickness (mm) 

Flat Size (mm)Weight (kg/m)
13 x 3 0.31
13 x 6 0.61
16 x 3 0.38
20 x 3 0.47
20 x 5 0.79
20 x 6 0.94
20 x 10 1.57
25 x 3 0.59
25 x 5 0.98
25 x 6 1.18
25 x 8 1.57
25 x 10 1.96
25 x 12 2.36
30 x 3 0.71
30 x 5 1.18
30 x 6 1.41
30 x 8 1.88
30 x 10 2.36
30 x 12 2.83
30 x 20 4.71
35 x 6 1.65
35 x 10 2.75
35 x 12 3.30
35 x 20 5.50
40 x 3 0.94
40 x 5 1.57
40 x 6 1.88
40 x 8 2.51
40 x 10 3.14
40 x 12 3.77
40 x 15 4.71
40 x 20 6.28
40 x 25 7.85
40 x 30 9.42
45 x 3 1.06
45 x 6 2.12
45 x 8 2.83
45 x 10 3.53
45 x 12 4.24
45 x 15 5.29
45 x 20 7.07
45 x 25 8.83
50 x 3 1.18
50 x 5 1.96
50 x 6 2.36
50 x 8 3.14
50 x 10 3.93
50 x 12 4.71
50 x 15 5.98
50 x 20 7.85
50 x 25 9.81
50 x 30 11.80
50 x 40 15.70

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