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IPN sijas vislabāk izmantot pie noslogojuma, kas rada šķērsgriezuma izliekumu, jo tas nodrošina I-profila horizontālās ass maksimālu stingrību. Profils tiek izgatavots no parastas kvalitātes strukturālā oglekļa tērauda.
Atpakaļsaite
| IPN sijas | Augstums h | Platums b | Biezums w | Biezums t | Radiuss R | Augstums d | Svars kg/m | m2/m |
| IPN 80 | 80 | 42 | 3.9 | 5.9 | 3.9 | 59.0 | 5.94 | 0.304 |
| IPN 100 | 100 | 50 | 4.5 | 6.8 | 4.5 | 75.7 | 8.34 | 0.37 |
| IPN 120 | 120 | 58 | 5.1 | 7.7 | 5.1 | 92.4 | 11.1 | 0.439 |
| IPN 140 | 140 | 66 | 5.7 | 8.6 | 5.1 | 92.4 | 14.3 | 0.502 |
| IPN 160 | 160 | 74 | 6.3 | 9.5 | 6.3 | 125.8 | 17.9 | 0,575 |
| IPN 180 | 180 | 82 | 6.9 | 10.4 | 6.9 | 142.4 | 21.9 | 0,64 |
| IPN 200 | 200 | 90 | 7.5 | 11.3 | 7.5 | 159.1 | 26.2 | 0,709 |
| IPN 220 | 220 | 98 | 8.1 | 12.2 | 8.1 | 175.8 | 31.1 | 0,775 |
| IPN 240 | 240 | 106 | 8.7 | 13.1 | 8.7 | 192.5 | 36.2 | 0,844 |
| IPN 260 | 260 | 113 | 9.4 | 14.1 | 9.4 | 208.9 | 41.9 | 0,906 |
| IPN 280 | 280 | 119 | 10.1 | 15.2 | 10.1 | 225.1 | 47.9 | 0,966 |
| IPN 300 | 300 | 125 | 10.8 | 16.2 | 10.8 | 241.6 | 54.2 | 1,03 |
| IPN 320 | 320 | 131 | 11.5 | 17.3 | 11.6 | 257.9 | 61.0 | 1,09 |
| IPN 340 | 340 | 137 | 12.2 | 18.3 | 12.2 | 274.3 | 68.0 | 1,15 |
| IPN 360 | 360 | 143 | 13 | 19.5 | 13.0 | 290.0 | 76.1 | 1,21 |
| IPN 380 | 380 | 149 | 13.7 | 20.5 | 13.7 | 306.7 | 84.0 | 1,27 |
| IPN 400 | 400 | 155 | 14.4 | 21.6 | 14.4 | 306.7 | 92.4 | 1,33 |
| IPN 450 | 450 | 170 | 16.2 | 24.3 | 16.2 | 363.6 | 115 | 1,48 |
| IPN 500 | 500 | 185 | 18 | 27 | 18.0 | 404.3 | 141 | 1,63 |
| IPN 550 | 550 | 200 | 19 | 30 | 19.0 | 445.6 | 166 | 1,8 |
| IPN 600 | 600 | 215 | 21.6 | 32.4 | 21.6 | 485.8 | 199 | 1,92 |
