What is Steel Slag?

Steel Slag is an industrial byproduct obtained from the steel manufacturing industry.

What is Steel Slag?

About Steel Slag:

  • Steel slag is an industrial byproduct obtained from the steel manufacturing industry.
  • It is produced in large quantities during steel-making operations that use electric arc furnaces.
  • It can also be produced by smelting iron ore in a basic oxygen furnace.
  • Primarily, slag consists of calcium, magnesium, manganese and aluminium silicates and oxides in various combinations.
  • The cooling process of slag is responsible mainly for generating different types of slags required for various end-use consumers

Applications of Steel Slag

  • It has found use as a barrier material remedy for waste sites where heavy metals tend to leach into the surrounding environment.
  • Steel slag forces the heavy metals to drop out of solution in water run off because of its high oxide mineral content.
  • It has been used successfully to treat acidic water discharges from abandoned mines.
  • It can replace coarse aggregate due to a higher impact and crushing strength, better anti-skid capacity.

Q1: What is a blast furnace?

It is a large structure in which iron ore is heated under pressure so that it melts and pure iron metal separates out and can be collected

Source: International Conference on Steel Slag Road: Member (Science) Niti Aayog, Dr.V.K.Saraswat releases the Guidelines for Utilization of Steel Slag in Road Construction

Latest UPSC Exam 2025 Updates

Last updated on June, 2025

UPSC Notification 2025 was released on 22nd January 2025.

UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.

UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025  are available now.

UPSC Calendar 2026 is released on 15th May, 2025.

→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.

UPSC Mains 2025 will be conducted on 22nd August 2025.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best IAS Coaching in Delhi

Vajiram Editor
Vajiram Editor
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Prelims Test Series
UPSC Prelims Test Series
₹6000
Enroll Now
UPSC Mains Test Series
UPSC Mains Test Series
₹16000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
Enquire Now