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Sponge Iron Division

Sponge Iron Lumps (DRI Sized)

Optimized physical strength and consistent Fe parameters, sized 3-20mm for induction and electric arc furnace charging.

Sponge Iron Lumps supply desk

We supply high-grade Direct Reduced Iron (DRI) sized lumps (typical sizing 3-20mm) procured from primary producers in Odisha and West Bengal. Sponge iron lumps serve as an excellent metallic substitute for steel scrap, which helps secondary steel mills control chemistry variations (especially trace copper and tin elements commonly found in imported scrap).

Our trade desk handles bulk logistics consolidation, railway rake programming, quality assays, and consolidated dispatch, providing rolling mills and furnace units across North India with a secure supply of raw materials.

Primary Applications

  • Electric Arc Furnaces (EAF): Charges direct reduced iron sized lumps to maintain furnace efficiency.
  • Secondary Induction Furnaces: Blended directly with melting scrap to improve steel grade yield parameters.

Typical Specifications (Sponge Iron Lumps)

Parameter Typical Limit
Total Iron (Fe-Total) ~88.0% - 90.0%
Metallic Iron (Fe-Met) ~78.0% - 80.0%
Degree of Metallization ~88.0% – 90.5%
Carbon (C) 0.15% – 0.25%
Sulphur (S) ≤ 0.040%
Phosphorus (P) ≤ 0.075%
Sizing 3 mm – 20 mm (DRI Sized)
Bulk Density 1.6 – 1.8 MT/m³

Note: Chemical specifications may vary based on the specific iron ore lump origin and kiln reduction process. COA parameter certificates are issued with each freight load.

Technical Queries

Sponge Iron Lumps FAQ

What is the difference between sponge iron lumps and pellets?

Lumps are produced directly from sized iron ore lumps reduced in rotary kilns, exhibiting slightly lower bulk density and irregular shapes. Pellets are made from crushed iron ore fines agglomerated into spheres before reduction, offering higher mechanical strength and uniform spherical properties.

What is the role of Carbon (C) content in sponge iron lumps?

Sponge iron lumps typically contain carbon between 0.15% and 0.25%. This carbon serves as an additional energy source during melt induction, reacting with residual oxygen to produce carbon monoxide gas which helps stir the bath and improve heat transfer.

How is pricing calculated for bulk delivery?

Pricing is indexed to ex-plant rates in Eastern India, plus railway freight rates and local transport logistics. We offer consolidated delivery prices direct to furnaces in Mandi Gobindgarh (Punjab) and nearby areas.

Direct Enquiry Desk

Request Sponge Iron Lumps Quote

Get real-time ex-rake or ex-depot pricing parameters for your furnace. Connect directly with our steel trading desk.