Description

Slags, Ferrous Metal, Blast Furnace, Desulfurizing is a by-product material generated during the iron-making process in a blast furnace, specifically used for desulfurization. This material is critical for improving the quality and performance of ferrous metals by removing sulfur impurities, which can cause brittleness and reduce weldability. It is primarily needed by steel mills, foundries, and metal casting facilities seeking to enhance the metallurgical properties of their final products and meet stringent industry specifications for low-sulfur steel.

Application

• Primary Steelmaking: Used as a desulfurizing agent in blast furnaces and basic oxygen furnaces to produce low-sulfur steel.
• Secondary Metallurgy: Employed in ladle furnace treatments for precise sulfur control and final metal refinement.
• Foundry Operations: Utilized in iron and steel foundries to improve the fluidity and mechanical properties of cast metals.
• Construction Material Production: Serves as a raw material or additive in the manufacture of slag-based cement and aggregates.
• Environmental Remediation: Applied in wastewater treatment or soil stabilization processes due to its alkaline nature and mineral composition.
• Ferroalloy Production: Acts as a fluxing agent or sulfur scavenger in the production of various ferroalloys.

Basic Information

Product Name	Slags, Ferrous Metal, Blast Furnace, Desulfurizing
CAS No.	125408-74-4
Molecular Formula	Complex mixture (primarily CaO, SiO₂, Al₂O₃, MgO)
Molecular Weight	N/A (Complex inorganic mixture)
Synonyms	Blast Furnace Slag (BFS); Desulfurization Slag; Ferrous Slag; Iron Blast Furnace Slag; Steelmaking Slag; LD Slag; Basic Slag; Metallurgical Slag; Granulated Blast Furnace Slag (GBFS); Air-Cooled Blast Furnace Slag
EINECS	Contact for details

Quality Control

Our Blast Furnace Desulfurizing Slag is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as basicity (CaO/SiO₂ ratio), sulfur capacity, particle size distribution, and chemical composition are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are available upon request to support your quality assurance and production planning.

Storage

Preserve in a tightly closed container, protected from light. Store in a dry, well-ventilated area at ambient temperature (15-25°C). This material is hygroscopic (moisture-sensitive); protect from excessive humidity and water contact to prevent caking and maintain reactivity. Keep away from strong acids.

Specification

Item	Specification
Appearance	Granular solid, gray to black
Basicity (CaO/SiO₂ Ratio)	1.0 - 1.5
Sulfur Content	< 2.0 %
Moisture Content	< 1.0 %
Particle Size (Major Fraction)	0.1 - 10 mm
Main Chemical Composition	CaO: 35-45%, SiO₂: 30-40%, Al₂O₃: 5-15%, MgO: 5-10%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.