550HD TMT Bars
DIIL Thermo Mechanically Treated Steel (DIIL TMT steel) has superior properties such as weldability, strength, ductility and bendability meeting highest quality standards at international level. DIIL's supply chain is wide spread all across India offering Turbo TMT re-bars ranging from 8-32 mm in diameter conforming to Fe-500 and Fe-550 Grades as per IS: 1786-1985 Parameters.
Highlights of Dhanlaxmi-Turbo TMT Re-Bar
- Higher strength
- Higher UTS/YS Ratio (Elongation)
- Higher Fatigue Strength
- Higher Resistance to Heat
- Higher Resistance to Corrosion
- Excellent Weldability
- Excellent Ductility
Properties
Observed running mass/meter of Dhanlaxmi-turbo TMT re-bar
| Specific | BIS Range | DIIL TMT Range | ||
| Tolerance | Tolerance | |||
| Size in mm | Kg/mtr | Kg/mtr (Min) (Max) | Kg/mtr (Min) (Max) | >% |
| 8 | 0.395 | 0.367 to 0.423 | >0.370 to 0.407 | >±7 |
| 10 | 0.617 | 0.574 to 0.659 | >0.580 to 0.625 | >±7 |
| 12 | 0.888 | 0.844 to 0.932 | >0.845 to 0.920 | >±5 |
| 16 | 1.579 | 1.500 to 1.658 | >1.516 to 1.625 | >±3 |
| 20 | 2.467 | 2.400 to 2.541 | >2.408 to 2.150 | >±3 |
| 25 | 3.856 | 3.470 to 3.971 | >3.752 to 3.924 | >±3 |
| 32 | 6.313 | 6.124 to 6.502 | >6.200 to 6.480 | >±3 |
Chemical properties of Dhanlaxmi-turbo TMT re-bar
| BIS | Dhanlaxmi | |
| Carbon 9max. %) | 0.30 | 0.25 to 0.30 |
| Manganese (%) | 0.5 to 1.2 | 0.5 to 0.8 |
| Sulphur & Phosphorous | as per IS:1786/85 | as per IS:1786/85 |
Physical Property of Dhanlaxmi- turbo TMT re-bar
| Grades | Yield (Min. Mpa) | UTS (Min. map) | Elongation (min.%) | |||
| BIS | Dhanlaxmi | BIS | Dhanlaxmi | BIS | Dhanlaxmi | |
| 550 HD | 415 | 450 | 485 | 540 | 14.5 | 24 |
| Fe-500 | 500 | 530 | 545 | 630 | 12.5 | 18 |
| Fe-550 | 550 | 580 | 585 | 690 | 8.0 | 12 |