| 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 | 30×30 | 900 | 216 | 124.59 | 201.80 | 60 – 85 | 2.29 | 4.88 | 25.69 | 4 ST 3/8 |