Published on: January 27, 2026

STEEL SLAG

STEEL SLAG

NEWS: Industrial by-product generated during the manufacture of steel. India is expanding steel production → more slag generation → need for sustainable reuse

Composition of Steel Slag:

Steel slag mainly contains: Calcium silicates, Magnesium silicates, Manganese oxides, Aluminium oxides

Applications of Steel Slag

  • Road Construction: Higher impact & crushing strength, Better anti-skid properties, Longer road durability
  • Environmental Remediation: Heavy Metal Removal
  • Mine Water Treatment: Treats acidic water from abandoned mines

Government is Promoting Steel Slag Roads

  • Supports waste-to-wealth initiative
  • Reduces dependence on natural aggregates

Aligns with:

  • Sustainable development
  • Green infrastructure
  • Climate-resilient construction