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| 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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