This advanced production technique ensures every ATOOT 550 D bar delivers higher tensile strength, enhanced ductility, and excellent weldability, making it the ideal choice for a wide range of construction needs—from residential buildings to high-load infrastructure projects.
For projects requiring even greater strength, Fe 600 grade TMT bars can also be produced on special order, offering maximum performance where it matters most.
KEY FEATURES
UNIFORM STRENGTH
AND FLEXIBILITY
ECR technology creates a refined microstructure in the steel, resulting in uniform strength and flexibility throughout the bar, essential for high-stress applications.
ENERGY EFFICIENCY
Endless casting and rolling reduces energy consumption compared to conventional methods, aligning with Jai Raj Ispat’s commitment to sustainability.
SUPERIOR SURFACE FINISH
This process reduces impurities and scales, producing a smooth, corrosion-resistant surface that enhances the longevity of the bar.
ENHANCED MECHANICAL PROPERTIES
ECR technology improves the bar’s tensile strength, ductility, and seismic resistance, meeting stringent industry standards for Fe 550 D grade steel.
ECO-FRIENDLY PRODUCTION
The process minimizes CO₂ emissions, making it a more environmentally responsible choice in the steel industry.
CHEMICAL PROPERTIES
| PARAMETERS | BIS Fe 550 D | Jai Raj Atoot Fe 550 D | BIS Fe 600 | Jai Raj Atoot 600 |
|---|---|---|---|---|
| % Carbon | 0.25 | < 0.25 | 0.30 | < 0.25 |
| % Silicon | – | 0.15-0.25 | – | 0.15-0.30 |
| % Manganese | – | 0.95-1.05 | – | 0.75-0.95 |
| % Phosphorous max | 0.04 | 0.02 | 0.04 | 0.02 |
| % Sulphur max | 0.04 | 0.02 | 0.04 | 0.02 |
| % Sulphur + Phosphorous max | 0.075 | 0.04 | 0.075 | 0.035 |
| % Carbon Equivalent max | 0.61 | 0.45 | 0.42 | 0.40 |
MECHANICAL PROPERTIES
| PARAMETERS | BIS Fe 550 D | Jai Raj Atoot 550 D | BIS Fe 600 | Jai Raj Atoot 600 |
|---|---|---|---|---|
| 0.2% Proof Stress / Yield stress (N/mm2) | 550 | 575 | 600 | 620 |
| % Elongation (min) | 14.50 | 18 | 10 | 15 |
| Tensile Strength (N/mm2) min | 600 | 660 | 660 | 680 |
| UTS-YS Ration (min) | 1.08 | 1.15 | 1.06 | 1.10 |
| %Total Elongation (min) | 5 | 8 | – | 8 |
APPLICATIONS
- High-rise buildings and commercial complexes
- Infrastructure projects like bridges and highways
- Residential construction in seismic zones
- Industrial projects requiring enhanced load-bearing capacity
Atoot Fe 550D TMT Bars – Stronger Foundations, Lasting Structures
When it comes to heavy-duty construction, nothing matches the strength and reliability of Atoot Fe 550D TMT Bars. Designed for durability and resilience, these bars ensure long-lasting support for structures that demand uncompromised quality. Builders, contractors, and developers across India trust Fe550D steel for its unmatched performance.
As a leading Fe 550D TMT bar manufacturer in India, Jai Raj Steel is committed to delivering products that exceed industry standards. With precision engineering and strict quality checks, we stand as a preferred Fe 550D TMT bar supplier in India, powering projects that last generations.
Understanding Fe 550D Steel
Fe550D Steel is a high-grade TMT bar known for its strength and flexibility. The “550” indicates a yield strength of 550 N/mm², which means the steel can withstand greater stress before deforming. The “D” stands for ductility, showing that the bars can bend more without breaking—an essential property for earthquake-prone and heavy-load structures.