Round Bars
TIS 20 : 2543 (SR24)
Round steel bars (RB) — diameter, weight, area and circumference.
Section Size
Cross Section
Unit: mmRB 6
Drawn in proportion, thin walls exaggerated · not to scale · TIS 20 : 2543 (SR24)
Round Bars RB 6
0.222kg/m
Nominal weight
Dimensions (mm)
- dDiameter
- 6mm
Area & Weight
- Cross Section
- 0.283cm²
Other Properties
- Circumference
- 1.88cm
Full table · 8 sizes
| RB 6 | 6 | 0.222 | 0.283 | 1.88 |
| RB 9 | 9 | 0.499 | 0.636 | 2.82 |
| RB 12 | 12 | 0.888 | 1.131 | 3.77 |
| RB 15 | 15 | 1.387 | 1.767 | 4.71 |
| RB 19 | 19 | 2.226 | 2.835 | 5.96 |
| RB 25 | 25 | 3.853 | 4.909 | 7.85 |
| RB 28 | 28 | 4.834 | 6.158 | 8.79 |
| RB 34 | 34 | 7.127 | 9.079 | 10.68 |