| Technical parameters |
| * We provide products at any diameter between 4mm and 10mm |
| COMPOSITION OF REINFORCING STEELS |
Type of analysis |
Chemical composition, % max. |
| All grades |
Carbon equivalent value (Ceq) for standard grades |
| C |
P |
S |
250N |
500L |
500N |
300E |
500E |
| Cast analysis |
0.22 |
0.050 |
0.050 |
0.43 |
0.39 |
0.44 |
0.43 |
0.49 |
| Product analysis |
0.24 |
0.055 |
0.055 |
0.45 |
0.41 |
0.46 |
0.45 |
0.51 |
|
| |
| CHARACTERISTIC MECHANICAL PROPERTIES OF REINFORCING STEELS |
| Property |
250N |
500L |
500N |
300E |
500E |
Type of specified value |
Yield stress(MPa) Rek.L
Rek.U |
≥ 250
__ |
≥ 500
≤ 750 |
≥ 500
≤ 650 |
≥ 300
≤ 380 |
≥ 500
≤ 600 |
CvL: p=0.95
CvU: p=0.05 |
| Ratio Rm/Rc |
≥ 1.08
__ |
≥ 1.03
__ |
≥ 1.08
__ |
≥ 1.15
≤ 1.50 |
≥1.15
≤ 1.40 |
CvL: p=0.90
CvU: p=0.10 |
| Uniform elongation Agt(%) |
≥ 5.0 |
≥ 1.5 |
≥ 5.0 |
≥ 15.0 |
≥ 10.0 |
CvL: p=0.90 |
|
| |
| MANDREL DLAMETER AND ANGLE FOR BEND AND REBEND TEST |
Nominal diameter
(mm) |
Mandred diameter for ductility class |
Bend angle |
Bend angle after 90° initial bend |
| L |
N |
E |
| d ≤ 16 |
3d |
|
|
90° |
20° |
| |
4d |
4d |
90° |
| d ≥ 20 |
|
4d |
4d |
180° |
NA |
|
| NOTES: |
| 1 |
Grade 250N may be supplied as plain round reinforcing steel complying with AS 3679.1, except that the tolerance on the diameter and roundness does not apply. |
| 2 |
For 500L steels, the only requirement for d < 5.0 mm is Rek.L ≥ 500MPa. |
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