Product range - Tata Steel

4.2 Bulb flats
BSEN 10067:1997
Nominal Thickness Mass/Unit Bulb Distance Bulb
Size Length Height to Centre Radius
of Gravity
b t G c d r
[mm] [mm] [kg/m] [mm] [cm] [mm]
80 5 4.25 14 4.90 4
6 4.88 14 4.78 4
100 7 6.86 15.5 5.87 4.5
8 7.65 15.5 5.78 4.5
120 6 7.32 17 7.21 5
7 8.26 17 7.07 5
8 9.20 17 6.96 5
140 7 9.75 19 8.32 5.5
8 10.85 19 8.18 5.5
10 13.05 19 7.99 5.5
160 7 11.46 22 9.66 6
8 12.72 22 9.50 6
9 13.97 22 9.37 6
11 16.49 22 9.16 6
180 8 14.80 25 10.9 7
9 16.22 25 10.7 7
10 17.63 25 10.6 7
11 19.04 25 10.5 7
200 9 18.57 28 12.1 8
10 20.14 28 12.0 8
11 21.71 28 11.2 8
12 23.28 28 11.7 8
220 10 22.77 31 13.4 9
11 24.50 31 13.2 9
12 26.22 31 13.0 9
240 10 25.50 34 14.8 10
11 27.39 34 14.6 10
12 29.27 34 14.4 10
260 10 28.35 37 16.2 11
11 30.39 37 16.0 11
12 32.43 37 15.8 11
Nominal Thickness Mass/Unit Bulb Distance Bulb
Size Length Height to Centre Radius
of Gravity
b t G c d r
[mm] [mm] [kg/m] [mm] [cm] [mm]
280 11 33.50 40 17.4 12
12 35.70 40 17.2 12
13 37.90 40 17.0 12
300 11 36.70 43 18.9 13
12 39.09 43 18.7 13
13 41.44 43 18.5 13
320 12 42.60 46 20.1 14
13 45.09 46 19.9 14
14 47.60 46 19.7 14
340 12 46.20 49 21.7 15
13 48.86 49 21.3 15
14 51.50 49 21.1 15
370 13 54.70 53.5 23.5 16.5
14 57.60 53.5 23.3 16.5
15 60.50 53.5 23.1 16.5
400 14 63.96 58 25.5 18
15 67.10 58 25.2 18
16 70.20 58 25.0 18
430 14 70.60 62.5 27.7 19.5
15 73.90 62.5 27.5 19.5
17 80.70 62.5 27.0 19.5
19 87.40 62.5 26.5 19.5
20 90.80 62.5 26.3 19.5
34 Tata Steel International Tata Steel International
35
c
r
30°
r
x
r
x b
d
r
r