Infrastructure

How Ferovium FV55 supports high-yield TMT rebar roduction

Indratek Steel Works, one of India's mid-tier integrated steel producers operating out of Raipur, was under increasing pressure to upgrade their TMT rebar output from the aging Fe-415 grade to the seismic-compliant Fe-500D and Fe-550D grades — a requirement driven by revised Bureau of Indian Standards specifications and growing demand from infrastructure developers under the Pradhan Mantri Awas Yojana and Smart Cities Mission.

The challenge wasn't simply metallurgical. Indratek's existing continuous-casting and rolling infrastructure was calibrated for lower-grade output. A full capital overhaul would have taken years and hundreds of crores. The alternative: a chemistry-first solution — introducing Ferovium's FV55 micro-alloying additive into the ladle metallurgy station to modify billet composition without restructuring the production line.

"We went from being unable to supply Fe-500D to
landing three PMAY infrastructure contracts within six months
of certification. Ferovium's FV55 didn't just solve a metallurgical
problem — it repositioned us in the market entirely."

• Rajeev Sinha, Managing Director, Indratek Steel Works Pvt. Ltd.

Solutions

Indratek Steel Works, one of India's mid-tier integrated steel producers operating out of Raipur, was under increasing pressure to upgrade their TMT rebar output from the aging Fe-415 grade to the seismic-compliant Fe-500D and Fe-550D grades — a requirement driven by revised Bureau of Indian Standards specifications and growing demand from infrastructure developers under the Pradhan Mantri Awas Yojana and Smart Cities Mission.

The challenge wasn't simply metallurgical. Indratek's existing continuous-casting and rolling infrastructure was calibrated for lower-grade output. A full capital overhaul would have taken years and hundreds of crores. The alternative: a chemistry-first solution — introducing Ferovium's FV55 micro-alloying additive into the ladle metallurgy station to modify billet composition without restructuring the production line.

Ferovium's metallurgical team conducted a 6-week process audit at Indratek's Raipur facility before formulating a dosing protocol. The FV55 additive — a vanadium-niobium-nitrogen compound — was introduced at the ladle furnace stage, allowing precise control over the final carbon equivalency and ensuring the resulting rebar met both mechanical property targets and weldability requirements demanded by IS 1786:2008 standards.

Conclusion That Build on Results

31%

Mean Yield Strength Uplift

Across 14 months of production data, FV55-treated heats at Indratek demonstrated a consistent 31% average yield strength uplift over the pre-project Fe-415 baseline — with heat-to-heat standard deviation of just 8.4 MPa.

31%

Mean Yield Strength Uplift

Across 14 months of production data, FV55-treated heats at Indratek demonstrated a consistent 31% average yield strength uplift over the pre-project Fe-415 baseline — with heat-to-heat standard deviation of just 8.4 MPa.

31%

Mean Yield Strength Uplift

Across 14 months of production data, FV55-treated heats at Indratek demonstrated a consistent 31% average yield strength uplift over the pre-project Fe-415 baseline — with heat-to-heat standard deviation of just 8.4 MPa.

31%

Mean Yield Strength Uplift

Across 14 months of production data, FV55-treated heats at Indratek demonstrated a consistent 31% average yield strength uplift over the pre-project Fe-415 baseline — with heat-to-heat standard deviation of just 8.4 MPa.