Rathi TMT Bars, known under the brand name 7 STAR, are premium-quality thermo-mechanically treated reinforcement bars produced by a legacy steel manufacturer with a history dating back to the 1940s. These bars are manufactured using the licensed Tempcore process, which ensures a hardened outer layer and a soft, ductile core, offering high tensile strength and excellent seismic resistance. With grades up to Fe 600 and custom lengths up to 29 meters, Rathi TMT Bars are ideal for a wide range of construction projects—from residential buildings to large infrastructure developments. The company combines cutting-edge technology with deep industry expertise to deliver superior strength, quality, and consistency.

Rathi TMT Q&A: Top 10 FAQs

1. What is Rathi TMT (7 STAR)?
Rathi TMT Bars are high-strength, thermomechanically treated steel rebars that undergo a specialized process to create a hard outer shell and a ductile core. This results in a bar that is both strong and flexible—two essential qualities for construction materials, especially in earthquake-prone areas. With advanced rib patterns that enhance bonding with concrete and superior elongation properties, these bars are widely trusted by architects, builders, and engineers alike.


2. What is the history of Rathi Steel?
The roots of the company date back to the early 1940s, when it began as a re-rolling mill in Delhi. Over the decades, it evolved into a fully integrated steel manufacturer, introducing several industry-firsts such as the TOR steel licensing and Fe 600 grade rebars. With continuous investment in technology and infrastructure, the company became a pioneer in thermo-mechanically treated steel bars, setting standards in innovation and quality.


3. Who owns and manages Rathi TMT?
Rathi TMT is managed by a family-owned enterprise that has passed through generations. The leadership team today is composed of experienced industry professionals focused on quality assurance, process automation, and customer satisfaction. Their core values revolve around transparency, ethical business practices, and a strong commitment to delivering premium-grade construction materials.


4. What products does Rathi offer?
Rathi's product portfolio includes:

  1. TMT Bars under the brand name 7 STAR in grades Fe 500, Fe 500D, Fe 550D, and Fe 600

  2. Custom-length TMT bars up to 29 meters

  3. Wire products such as binding wires and Eurotherm wires

  4. Structural steel products like stirrups and rings

These products cater to various sectors such as residential, commercial, industrial, and infrastructural developments.


5. What is the price of Rathi TMT Bars?
Rathi TMT Bars are priced competitively, offering excellent value for the strength and quality they provide. While exact prices may vary depending on size, grade, location, and quantity, the company frequently provides attractive bulk purchase deals and project-specific quotes. For the most accurate pricing, customers are encouraged to contact authorized dealers or sales representatives.


6. Where are Rathi TMT Bars available?
Rathi TMT Bars are widely available across North and West India through a vast network of dealers and distributors. The company has strategically located manufacturing units and stock points in industrial hubs to ensure prompt delivery. Some of the key regions served include Delhi NCR, Uttar Pradesh, Rajasthan, Haryana, Punjab, and other surrounding areas.


7. Which grades are available?
Rathi TMT Bars are available in the following grades:

  1. Fe 500 – Standard high-strength bars for general applications

  2. Fe 500D / Fe 550D – Ductile grades for better elongation and seismic resistance

  3. Fe 600 – One of the highest strength grades, suitable for high-load bearing structures

All grades conform to Indian Standards (IS:1786) and are manufactured using the Tempcore process for consistency and reliability.


8. What are the physical and mechanical properties?
Rathi TMT Bars are engineered for superior performance. Their key features include:

  1. High tensile and yield strength, providing excellent load-bearing capacity

  2. Superior ductility, especially in ‘D’ grade bars, enabling better bendability

  3. Enhanced weldability, with low carbon content allowing for safer on-site welding

  4. Strong concrete bonding, due to uniform and accurate rib design

  5. Corrosion resistance, achieved through controlled chemical composition and quality assurance

  6. Earthquake resistance, thanks to high elongation and strength-to-weight ratio

These properties make Rathi TMT Bars suitable for use in critical structural elements like beams, columns, foundations, and slabs.


9. What sizes are offered?
Rathi TMT Bars are available in a wide range of diameters, including:

  1. 8 mm

  2. 10 mm

  3. 12 mm

  4. 16 mm

  5. 20 mm

  6. 25 mm

  7. 28 mm

  8. 32 mm

They can also be custom-cut in lengths up to 29 meters, which minimizes overlaps and reduces wastage at construction sites.


10. How can I contact or purchase Rathi TMT Bars?
Customers interested in purchasing Rathi TMT Bars can reach out through multiple channels:

  1. Regional offices in Delhi NCR and Rajasthan

  2. Toll-free customer care helpline

  3. Dedicated sales representatives for institutional and project sales

  4. Network of authorized dealers across Northern and Western India

Additionally, the company has a responsive customer service team to assist with technical queries, product specifications, and delivery support.