Dimensions Details
| Designation | Mass (Kg/m) | Sectional Area (sq.mm) | Depth (mm) | Breadth (mm) |
| LB 75 | 6.1 | 7.71 | 75 | 50 |
| LB 100 | 8.0 | 10.20 | 100 | 50 |
| LB(P) 100 | 8.6 | 11.00 | 100 | 50 |
| LB 125 | 11.9 | 15.10 | 125 | 75 |
| LB 150 | 14.2 | 18.10 | 150 | 80 |
| LB 175 | 16.7 | 21.30 | 175 | 90 |
| LB(P) 175 | 16.7 | 21.30 | 175 | 80 |
| LB 200 | 19.8 | 25.30 | 200 | 100 |
| LB(P) 200 | 21.1 | 26.90 | 200 | 100 |
| LB 225 | 23.5 | 29.90 | 225 | 100 |
| LB 250 | 27.9 | 35.50 | 250 | 125 |
| LB 275 | 33.0 | 42.00 | 275 | 140 |
| LB 300 | 37.7 | 48.10 | 300 | 150 |
| LB(P) 300 | 41.5 | 52.90 | 300 | 140 |
| LB 325 | 43.1 | 54.90 | 325 | 165 |
| LB 350 | 49.5 | 63.00 | 350 | 165 |
| LB 400 | 56.9 | 72.40 | 400 | 165 |
| LB 450 | 65.3 | 83.10 | 450 | 170 |
| LB 500 | 75.0 | 95.50 | 500 | 180 |
| LB 550 | 86.3 | 110.00 | 550 | 190 |
| LB 600 | 99.5 | 127.00 | 600 | 210 |
| Designation | Web Thickness (mm) | Flange Thickness (mm) | Flange Slope (mm) | R1 (mm) | R2 (mm) |
| LB 75 | 3.7 | 5.0 | 91.5 | 6.5 | 2.0 |
| LB 100 | 4.0 | 6.4 | 91.5 | 7.0 | 3.0 |
| LB(P) 100 | 4.3 | 7.0 | 91.5 | 8.0 | 3.0 |
| LB 125 | 4.4 | 6.5 | 91.5 | 8.0 | 3.0 |
| LB 150 | 4.8 | 6.8 | 91.5 | 9.5 | 3.0 |
| LB 175 | 5.1 | 6.9 | 91.5 | 9.5 | 3.0 |
| LB(P) 175 | 5.2 | 7.7 | 96.0 | 9.5 | 3.0 |
| LB 200 | 5.4 | 7.3 | 91.5 | 9.5 | 3.0 |
| LB(P) 200 | 5.6 | 8.0 | 96.0 | 9.5 | 3.0 |
| LB 225 | 5.8 | 8.6 | 98.0 | 12.0 | 6.0 |
| LB 250 | 6.1 | 8.2 | 98.0 | 13.0 | 6.5 |
| LB 275 | 6.4 | 8.8 | 98.0 | 14.0 | 7.0 |
| LB 300 | 6.7 | 9.4 | 98.0 | 15.0 | 7.5 |
| LB(P) 300 | 7.0 | 11.6 | 98.0 | 15.0 | 7.5 |
| LB 325 | 7.0 | 9.8 | 98.0 | 16.0 | 8.0 |
| LB 350 | 7.4 | 11.4 | 98.0 | 16.0 | 8.0 |
| LB 400 | 8.0 | 12.5 | 98.0 | 16.0 | 8.0 |
| LB 450 | 8.6 | 13.4 | 98.0 | 16.0 | 8.0 |
| LB 500 | 9.2 | 4.1 | 98.0 | 17.0 | 8.5 |
| LB 550 | 9.9 | 15.0 | 98.0 | 18.0 | 9.0 |
| LB 600 | 10.5 | 15.5 | 98.0 | 20.0 | 10.0 |
Sectional Properties
| Designation | Ix (cm4) | Iy (cm4) | rx (cm) | ry (cm) | Zx (cm3) | Zy (cm3) |
| LB 75 | 72.7 | 10.0 | 3.07 | 1.14 | 19.4 | 4.0 |
| LB 100 | 168 | 12.7 | 4.06 | 1.12 | 33.6 | 5.1 |
| LB(P) 100 | 178 | 13.2 | 4.03 | 1.10 | 35.7 | 5.3 |
| LB 125 | 407 | 43.4 | 5.19 | 1.69 | 65.1 | 11.6 |
| LB 150 | 690 | 55.2 | 6.17 | 1.75 | 91.8 | 13.8 |
| LB 175 | 1100 | 79.6 | 7.17 | 1.93 | 125 | 17.7 |
| LB(P) 175 | 1070 | 57.3 | 7.09 | 1.64 | 123 | 14.3 |
| LB 200 | 1700 | 115 | 8.19 | 2.13 | 170 | 23.1 |
| LB(P) 200 | 1800 | 113 | 8.20 | 2.05 | 180 | 22.6 |
| LB 225 | 2500 | 113 | 9.15 | 1.94 | 222 | 22.5 |
| LB 250 | 3720 | 193 | 10.2 | 2.33 | 297 | 30.9 |
| LB 275 | 5380 | 287 | 11.3 | 2.61 | 392 | 41.0 |
| LB 300 | 7330 | 376 | 12.4 | 2.80 | 489 | 50.2 |
| LB(P) 300 | 8130 | 414 | 12.4 | 2.80 | 542 | 59.2 |
| LB 325 | 9870 | 511 | 13.4 | 3.05 | 608 | 61.9 |
| LB 350 | 13200 | 632 | 14.5 | 3.17 | 752 | 76.6 |
| LB 400 | 19300 | 716 | 16.3 | 3.15 | 965 | 86.8 |
| LB 450 | 27500 | 853 | 18.2 | 3.20 | 1220 | 100 |
| LB 500 | 38600 | 1060 | 20.1 | 3.34 | 1540 | 118 |
| LB 550 | 53200 | 1340 | 22.0 | 3.48 | 1930 | 140 |
| LB 600 | 72800 | 1820 | 24.0 | 3.79 | 2430 | 173 |