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| Dimensions and Properties |
| Designation | Size A x B (mm x mm) |
Thickness (mm) |
Sectional Area (Cm2) |
Weight Per Metre (Kg) |
Moduli of Section (Cm3) |
| ISA 2020 | 20X20 | 3.0 | 1.12 | 0.9 | 0.3 |
| 4.0 | 1.45 | 1.1 | 0.4 | ||
| ISA 2525 | 25 X 25 | 3.0 | 1.41 | 1.1 | 0.4 |
| 4.0 | 1.84 | 1.4 | 0.6 | ||
| 5.0 | 2.25 | 1.8 | 0.7 | ||
| ISA 3030 | 30X 30 | 3.0 | 1.73 | 1.4 | 0.6 |
| 4.0 | 2.26 | 1.8 | 0.8 | ||
| 5.0 | 2.77 | 2.2 | 1.0 | ||
| ISA 3535 | 35X 35 | 3.0 | 2.03 | 1.6 | 0.9 |
| 4.0 | 2.66 | 2.1 | 1.2 | ||
| 5.0 | 3.27 | 2.6 | 1.4 | ||
| 6.0 | 3.86 | 3.0 | 1.7 | ||
| ISA 4040 | 40X 40 | 3.0 | 2.34 | 1.8 | 1.2 |
| 4.0 | 3.07 | 2.4 | 1.6 | ||
| 5.0 | 3.78 | 3.0 | 1.9 | ||
| 6.0 | 4.47 | 3.5 | 2.3 | ||
| ISA 4545 | 45X 45 | 3.0 | 2.64 | 2.1 | 1.5 |
| 4.0 | 3.47 | 2.7 | 2.0 | ||
| 5.0 | 4.28 | 3.4 | 2.5 | ||
| 6.0 | 5.07 | 4.0 | 2.9 | ||
| ISA 5050 | 50X 50 | 3.0 | 2.95 | 2.3 | 1.9 |
| 4.0 | 3.88 | 3.0 | 2.5 | ||
| 5.0 | 4.79 | 3.8 | 3.1 | ||
| 6.0 | 5.68 | 4.5 | 3.6 | ||
| ISA 5555 | 55X 55 | 5.0 | 5.27 | 4.1 | 3.7 |
| 6.0 | 6.26 | 4.9 | 4.4 | ||
| 8.0 | 8.18 | 6.4 | 5.7 | ||
| 10.0 | 10.02 | 7.9 | 7.0 | ||
| ISA 6060 | 60X 60 | 5.0 | 5.75 | 4.5 | 4.4 |
| 6.0 | 6.84 | 5.4 | 5.2 | ||
| 8.0 | 8.96 | 7.0 | 6.8 | ||
| 10.0 | 11.00 | 8.6 | 8.4 | ||
| ISA 6565 | 65X 65 | 5.0 | 6.25 | 4.9 | 5.2 |
| 6.0 | 7.44 | 5.8 | 6.2 | ||
| 8.0 | 9.76 | 7.7 | 8.1 | ||
| 10.0 | 12.00 | 9.4 | 9.9 | ||
| ISA 7070 | 70X 70 | 5.0 | 6.77 | 5.3 | 6.1 |
| 8.0 | 8.06 | 6.3 | 7.3 | ||
| 8.0 | 10.58 | 8.3 | 9.5 | ||
| 10.0 | 13.02 | 10.2 | 11.7 | ||
| ISA 7575 | 75X 75 | 5.0 | 7.27 | 5.7 | 7.1 |
| 6.0 | 8.66 | 6.8 | 8.4 | ||
| 8.0 | 11.38 | 8.9 | 11.0 | ||
| 10.0 | 14.02 | 11.0 | 13.5 | ||
| ISA 8080 | 80X 80 | 6.0 | 9.29 | 7.3 | 9.6 |
| 8.0 | 12.21 | 9.6 | 12.6 | ||
| 10.0 | 15.05 | 11.8 | 15.5 | ||
| 12.0 | 17.81 | 14.0 | 18.3 | ||
| ISA 9090 | 90X 90 | 6.0 | 10.47 | 8.2 | 12.2 |
| 8.0 | 13.79 | 10.8 | 16.0 | ||
| 10.0 | 17.03 | 13.4 | 19.3 | ||
| 12.0 | 20.19 | 15.8 | 23.3 | ||
| ISA 100100 | 100X 100 | 6.0 | 11.67 | 9.2 | 15.2 |
| 8.0 | 15.39 | 12.1 | 20.0 | ||
| 10.0 | 19.03 | 14.9 | 24.7 | ||
| 12.0 | 22.59 | 17.7 | 29.2 | ||
| ISA 110110 | 110X 110 | 8.0 | 17.02 | 13.4 | 24.4 |
| 10.0 | 21.06 | 16.5 | 30.1 | ||
| 12.0 | 25.02 | 19.6 | 35.7 | ||
| 15.0 | 30.81 | 24.2 | 43.7 | ||
| ISA 130130 | 130X 130 | 8.0 | 20.22 | 15.9 | 34.5 |
| 10.0 | 25.06 | 19.9 | 42.7 | ||
| 12.0 | 29.82 | 23.4 | 50.7 | ||
| 15.0 | 36.81 | 28.9 | 62.3 | ||
| ISA 150150 | 150X 150 | 10.0 | 29.03 | 22.8 | 56.9 |
| 12.0 | 34.59 | 27.2 | 67.7 | ||
| 15.0 | 42.78 | 33.6 | 83.5 | ||
| 18.0 | 50.79 | 39.9 | 98.7 | ||
| ISA 200200 | 200X 200 | 12.0 | 46.61 | 36.6 | 122.2 |
| 15.0 | 57.80 | 45.4 | 151.4 | ||
| 18.0 | 68.81 | 54.0 | 179.9 | ||
| 25.0 | 93.80 | 73.6 | 243.3 | ||
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