SD Lion 600 EQR TMT bars are high-quality reinforcement bars manufactured by SD Lion Steel, which is a subsidiary of Sree Ramdoot Group. The 600 EQR line is their premium TMT product, designed to be strong, ductile, corrosion resistant, and earthquake resistant. These bars are produced in integrated steel plants and serve the current demands of construction, including residential to heavy infrastructure, through a national distribution network.
SD Lion 600 EQR TMT Q&A: Top 10 FAQs
1. What is SD Lion 600 EQR?
SD Lion 600 EQR is the high-performance TMT rebar variant within the SD Lion range. To provide high-quality mechanical properties, good weldability, consistent strength, and high resistance to seismic and corrosive environments, these bars are thermo-mechanically processed (quenching, self-tempering) and hence suitable in critical and long-term structures.
2. What is the history of SD Lion Steel?
SD Lion Steel is an integrated mill that is a part of Sree Ramdoot Group and deals with TMT, power rings, and wire, among others. Although there are no specific details of the founding, the brand specializes in offering best-in-class products, such as the 600 EQR, to address the changing construction requirements in India.
3. Who is the owner of SD Lion 600 EQR?
The bars are manufactured by SD Lion Steel, a business vertical of the Sree Ramdoot Group, which is based in Kolkata. The group has several divisions, such as TMT and wire and ferroalloy production, which allow close integration and quality control of raw materials to finished products.
4. Which products does SD Lion offer?
SD Lion provides, in addition to 600 EQR TMT bars, the following:
TMT Rebar (standard and premium grades)
Formwork Power Rings: less waste, less labor
Advance Wire, Strong Nails, Ferro Alloy, Billet, Sponge Iron
This diversified portfolio facilitates the full reinforcement solutions.
5. What is the price of SD Lion bars?
There are no specific prices mentioned, but SD Lion sells its products through authorized dealers and distributors. In the case of bulk orders, e.g., power rings, billets, or TMT bars, customized quotations are probable depending on size, grade, quantity, and delivery point. Corporate channels are used to respond to inquiries.
6. What are the locations of SD Lion products?
SD Lion has an extensive dealer and distribution partner network that serves customers. Their corporate office is in Kolkata, and they also provide partnerships to distributors all over the country. Although particular plant locations are not indicated, their combined operations and distributor arrangement allow pan-India coverage.
7. What is the grade/s of the 600 EQR bar?
The name implies a 600 MPa grade and EQR (probably shortened to Earthquake Resilient) certification. SD Lion refers to these bars as super ductile, strong, earthquake resistant, and corrosion resistant, which is in line with high-grade TMT that is applicable in seismic areas.
8. What are the mechanical and physical properties?
Although no specifications are stated, SD Lion focuses on:
Tensile strength and high ductility
Controlled microstructure
Excellent weldability
Corrosion resistance
Earthquake resilience
These are signs of a tri-layer structure (martensitic shell, bainitic mid-layer, ferritic core) that is characteristic of the highest quality TMT bars.
9. What are the sizes?
Common diameters are 8mm, 10mm, 12mm, and 16mm, and probably larger, with typical mill TMT sizes reaching 20mm-32mm. Power rings are available in inch sizes such as 5.5 mm and 6 mm and form sizes such as 4x4, 7x4, or 12-inch rings. The size range of TMT can be verified through dealer contact.
10. What is the contact of SD Lion Steel?
SD Lion can be contacted through
Corporate Office: Nilhat House, 11 R.N. Mukherjee Road, 10th Floor, Kolkata 700 001
Phone: 1800‑891‑2468
Email: connect@liontmt.com
Contact form: on their site
They also accept partnership or distribution inquiries in their Partner and Distributorship sections.

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