About Torkari
Torkari: The Next Generation in Steel Reinforcement
The Backbone of Concrete Structures
Torkari is a high-strength, high-bond reinforcing steel designed to deliver exceptional performance in construction. Manufactured to meet the Fe550 Grade (Tor-55) specifications of IS 1786-2008, Torkari sets the benchmark for modern steel reinforcement.
Pioneering Innovation Since 1987
Introduced in India by TRFI in 1987, Torkari has revolutionized the construction industry by offering superior strength and reliability. With a legacy of excellence, it remains the preferred choice for reinforcing concrete structures.
Global Standards, Unmatched Quality
Torkari is engineered to meet not only Indian standards but also international benchmarks, ensuring its compatibility and reliability worldwide. It conforms to:
- DIN – 488 (Germany)
- BS – 4483, 4449 (UK)
- ASTM – A 497 (American)
Choose Torkari for your construction projects and experience the unparalleled quality and performance of new-generation steel reinforcement.
TORKARI – SPECIFICATIONS – FE-550 GRADE
( As per IS 1786-2008 )
Data of Available DIA:
| Nominal Dia mm |
Nominal Weight Kg/m |
Permitted Range of Weight kg/m |
Range of Length Mts/MT |
Ast Sq.mm |
|---|---|---|---|---|
| 5.0 | 0.154 | 0.142 to 0.166 | 6024 to 7042 | 19.63 |
| 6.0 | 0.222 | 0.207 to 0.238 | 4303 to 4831 | 28.26 |
| 7.0 | 0.302 | 0.278 to 0.326 | 3065 to 3598 | 38.48 |
| 9.0 | 0.500 | 0.459 to 0.539 | 1854 to 2177 | 63.62 |
| Parameters | IS Requirements | Torkari Specs |
|---|---|---|
| 0.2% Proof Stress (P.S) | 550 N/sq.mm (Min.) | Passes |
| Ultimate Tensile Strength | 585 N/sq.mm (Min.) Or 1.06 X Act P.S whichever is higher | Passes |
| Elongation | 10% Min. | Above 13% |
| Bond Strength (Extra Over Plain Round) | 60% Min. over Mild Steel | Above 100% |
| Weight Tolerance | + or − 8% | 4% |
| Parameters | IS Requirements | Torkari Specs |
|---|---|---|
| Carbon | 0.30% Max | 0.20% Max |
| Sulphur | 0.055% Max | 0.045% Max |
| Phosphorus | 0.050% Max | 0.045% Max |
| Sul+Phos | 0.10% Max | 0.090% Max |
TORKARI – SPECIFICATIONS – FE-500 GRADE
( As per IS 1786-2008 )
| Nominal Dia mm |
Nominal Weight Kg/m |
Permitted range of weight kg/m |
Range of length Mts/MT |
Ast Sq.mm |
|---|---|---|---|---|
| 5.0 | 0.154 | 0.142 to 0.166 | 6024 to 7042 | 19.63 |
| 6.0 | 0.222 | 0.207 to 0.238 | 4303 to 4831 | 28.26 |
| 7.0 | 0.302 | 0.278 to 0.326 | 3065 to 3598 | 38.48 |
| 9.0 | 0.500 | 0.459 to 0.539 | 1854 to 2177 | 63.62 |
Mechanical Properties:
| Parameters | IS Requirements | Torkari specs |
|---|---|---|
| 0.2% Proof Stress (P.S) | 500 N/sq.mm (Min.) | Passes |
| Ultimate Tensile Strength | 545 N/sq.mm (Min.) Or 1.08 X Act P.S whichever is higher | Passes |
| Elongation | 12% Min. | Above 14.5% |
| Bond Strength (Extra Over Plain Round) | 60% Min. over Mild Steel | Above 100% |
| Weight Tolerance | + or - 8% | 4% |
Chemical Properties:
| Parameters | IS Requirements | Torkari specs |
|---|---|---|
| Carbon | 0.30% Max | 0.20% Max |
| Sulphur | 0.055% Max | 0.045% Max |
| Phosphorus | 0.050% Max | 0.045% Max |
| Sul+Phos | 0.105% Max | 0.090% Max |