| Type | Size (cm2) | Area (cm2) | Weight (kg/m’) | Allowed Strength (ton) | Ultimate Strength (ton) | Strong Support (ton) | Allowed Moment (ton) | Ultimate Moment (ton) | Tensile Strength (ton) | Reinforcement Strand (inch) |
| Square | 40×40 | 1.600 | 384 | 218,74 | 352,30 | 120-145 | 4,72 | 15,21 | 35,22 | 8D 3/8 |