SD straight bars are available in diameters from 8mm up to 40mm, in lengths 12m and 14m and in bundles weighting about 2tn. SD reinforcing steel is also available in standard coils in diameters from 8mm up to 16mm. SD bars and coils follow grade B500B according to DIN 488. Grade B500C is also available.
| Dimensions, weight and tolerances | |||||||
| Nominal diameter
(mm) |
Nominal cross-section
(mm²) |
Nominal weight
(kg/m) |
Weight tolerance
(%) |
||||
| 8 | 50.3 | 0.395 | ±4 | ||||
| 10 | 78.5 | 0.617 | ±4 | ||||
| 12 | 113.0 | 0.888 | ±4 | ||||
| 14 | 154.0 | 1.210 | ±4 | ||||
| 16 | 201.0 | 1.580 | ±4 | ||||
| 18 | 254.0 | 2.000 | ±4 | ||||
| 20 | 314.0 | 2.470 | ±4 | ||||
| 22 | 380.0 | 2.980 | ±4 | ||||
| 25 | 491.0 | 3.850 | ±4 | ||||
| 28 | 616.0 | 4.830 | ±4 | ||||
| 32 | 803.8 | 6.310 | ±4 | ||||
| 40 | 1,257.0 | 9.860 | ±4 | ||||
| Chemical composition and mechanical characteristics | ||||||||||||
| Grade | Heat chemical analyses (%)(max1) | Mechanical characteristics | Mandrel diameter for: | |||||||||
| Yield strength
Re (N/m²) |
Tensile strengthе
Rm (N/mm²) |
Rm/Re min | Total elongation
Agt (%) min |
Bend-re-bend test | ||||||||
| C | S | P | N | Ceq | d≤16 | 16<d≤28 | 28<d≤40 | |||||
| B500B | 0,22
(0.24) |
0.050
(0.055) |
0.050
(0.055) |
0.012
(0.013) |
0.50
(0.52) |
500 | 550 | 1,08 | 5.0 | 5d | 8d | 10d |
Note: The values in parenthesis refer to the finished products