Steel Bars
Chemical Composition and Mechanical Properties (For Deformed Bars and Plain Round Bars)
Chemical Composition
| Standard | Grade | Chemical Composition | ||||
|---|---|---|---|---|---|---|
| C% max |
S% max |
P% max |
N% max |
CE% max |
||
| MS 146:2000 (Hot Rolled Steel Bars) |
Grade 250 (Plain Round Steel Bars) |
0.25 | 0.06 | 0.06 | 0.012 | 0.42 |
| Grade 460 (Deformed Bars) |
0.25 | 0.05 | 0.05 | 0.012 | 0.51 | |
| Grade 500 (Deformed Bars) |
0.30 | 0.05 | 0.05 | 0.012 | 0.51 | |
| BS 4449:1997 (Hot Rolled Steel Bars) |
Grade 250 (Plain Round Steel Bars) |
0.25 | 0.06 | 0.06 | 0.012 | 0.42 |
| Grade 460 A (High Yield Steel Bars) |
0.25 | 0.05 | 0.05 | 0.012 | 0.51 | |
| Grade 250 (High Yield Steel Bars) |
0.25 | 0.05 | 0.05 | 0.012 | 0.51 | |
Mechaninal Properties
| Standard | Grade | Mechanical Properties | ||||
|---|---|---|---|---|---|---|
| Yield Strength - N/mm² (Min) | Tensile Strength - N/mm² (Min) | Min. Elongation (Gauge Length L) 5.65 VSO |
Bend Test | |||
| MS 146:2000 (Hot Rolled Steel Bars) |
Grade 250 (Plain Round Steel Bars) |
250 | Actual YS x 1.05 | 22% (L=5d) | Bend Angle (2d) Rebend (2d) |
= 180° = 1st bend 180° |
| Grade 460 (Deformed Bars) |
460 | Actual YS x 1.05 | 12% (L=5d) | Bend Angle (3d) Rebend (5d) |
= 180° = 1st bend 45° Rebend 23° |
|
| Grade 500 (Deformed Bars) |
500 | Actual YS x 1.05 | 12% (L=5d) | |||
| BS 4449:1997 (Hot Rolled Steel Bars) |
Grade 250 (Plain Round Steel Bars) |
250 | Actual YS x 1.15 | At fracture 22% | Rebend (2d) | = 1st bend 45° 2nd bend 23° |
| Grade 460 A (High Yield Steel Bars) |
460 | Actual YS x 1.05 | At fracture 12% At Max. force 2.5% |
Rebend (5d) | = 1st bend 45° 2nd bend 23° |
|
| Grade 250 (High Yield Steel Bars) |
Actual YS x 1.08 | At fracture 14% At Max. force 5% |
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