| 20 - 8 |
 |
| Type |
2040-8 |
| weight(kg/m) |
1.22 |
| Area(mm2) |
451 |
| Inertia(mm4) |
IX |
2.26×104 |
| IY |
5.04×104 |
|
|
 |
| Type |
2080-8 |
| weight(kg/m) |
2.37 |
| Area(mm2) |
878 |
| Inertia(mm4) |
IX |
3.99×104 |
| IY |
42.35×104 |
|
|

| Type |
20120-8 |
| weight(kg/m) |
2.97 |
| Area(mm2) |
1101 |
| Inertia(mm4) |
IX |
5.38×104 |
| IY |
134.8×104 |
|
|