Rolled Steel Beams Back

Designation Weight
per metre
(kg)
Sectional
area
(cm2)
Depth of
Section
(mm)
Width of
Flange
(mm)
Thickness
of Flange
(mm)
Thickness
of Web
(mm)
ISJB 150 7.1 9.01 150 50 4.6 3.0
ISJB 175 8.1 10.28 175 50 4.8 3.2
ISJB 200 9.9 12.64 200 60 5.0 3.4
ISJB 225 12.8 16.28 225 80 5.0 3.7
ISLB 75 6.1 7.7 75 50 5.0 3.7
ISLB 105 8.0 10.21 100 50 6.4 4.0
 
ISLB 125 11.9 15.12 125 75 6.5 4.4
ISLB 150 14.2 18.08 150 80 6.8 4.8
ISLB 175 16.7 21.30 175 90 6.9 5.1
ISLB 200 19.8 25.27 200 100 7.3 5.4
ISLB 225 23.5 29.92 225 100 8.6 5.8
ISLB 250 27.9 35.53 250 125 8.2 6.1
 
ISLB 275 33.0 42.02 275 140 8.8 6.4
ISLB 300 37.7 48.08 300 150 9.4 6.7
ISLB 325 43.1 54.90 325 165 9.8 7.3
ISLB 350 49.5 63.01 350 165 11.4 7.4
ISLB 400 56.9 72.43 400 165 12.5 8.0
ISLB 450 65.3 83.14 450 170 13.4 8.6
 
ISLB 500 75.0 95.50 500 180 14.1 9.2
ISLB 550 86.3 109.97 550 190 15.0 9.9
ISLB 600 99.5 126.69 600 210 15.5 10.5
ISMB 100 11.5 14.60 100 75 7.2 4.0
ISMB 125 13.0 16.60 125 75 7.6 4.4
ISMB 150 14.9 19.00 150 80 7.6 4.8
 
ISMB 175 19.3 24.62 175 90 8.6 5.5
ISMB 200 25.4 32.30 200 100 10.8 5.7
ISMB 225 31.2 39.72 225 110 11.8 6.5
ISMB 250 37.3 47.55 250 125 12.5 6.9
ISMB 300 44.2 56.26 300 140 12.4 7.5
ISMB 350 52.4 66.71 350 140 14.2 8.1
 
ISMB 400 61.6 78.46 400 140 16.0 8.9
ISMB 450 72.4 92.27 450 150 17.4 9.4
ISMB 500 86.9 110.74 500 180 17.2 10.2
ISMB 550 103.7 132.11 550 190 19.3 11.2
ISMB 600 122.6 156.21 600 210 20.8 12.0
ISMB 150 17.0 21.67 150 100 7.0 5.4

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