Deoxidation Products: Particle Size 1-10 mm

Component Specifications

Definition

Deoxidation products are specialized chemical agents introduced into molten steel to eliminate dissolved oxygen, preventing gas porosity and oxide inclusions that compromise mechanical properties in high-strength forging steel ingots. These materials react with oxygen to form stable oxides that either float to the surface as slag or remain as harmless dispersed particles.

Working Principle

Chemical reduction where deoxidizers (typically aluminum, silicon, or manganese alloys) react with dissolved oxygen in molten steel to form stable oxide compounds (Al2O3, SiO2, MnO), which are then removed through flotation or remain as fine, controlled inclusions.

Materials

Ferroalloys (FeSi, FeMn, FeAl), pure aluminum, calcium silicide, rare earth metals; composition varies based on required final steel grade and inclusion control.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Density	2.7-7.8 g/cm³
Melting Point	600-1600°C
Particle Size	1-10 mm
Reaction Time	2-10 minutes
Oxygen Removal Efficiency	85-99%

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 4948-1, DIN EN 10020, ASTM A751

Parent Products

This component is used in the following industrial products

High-Strength Forging Steel Ingot

High-strength forging steel ingots are semi-finished metal blocks specifically formulated and cast for subsequent hot forging operations.

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Engineering Analysis

Risks & Mitigation

Over-deoxidation causing excessive inclusions
Incomplete oxygen removal leading to porosity
Chemical imbalance affecting final steel composition

FMEA Triads

Trigger: Insufficient deoxidizer quantity
Failure: High oxygen content causing porosity and reduced mechanical properties
Mitigation: Implement precise weighing systems and real-time oxygen monitoring

Trigger: Improper addition timing
Failure: Inefficient reaction leading to residual oxides
Mitigation: Automated injection at optimal temperature (1550-1650°C)

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5% chemical composition, ±2% weight accuracy

Test Method

Spark emission spectroscopy for composition, ultrasonic testing for inclusion detection

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Deoxidation Products

Manufacturer profiles associated with Deoxidation Products.

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Frequently Asked Questions

What are the most common deoxidation products used in high-strength steel?

Aluminum, ferrosilicon, and calcium silicide are most common, with aluminum providing strong deoxidation but potentially creating hard alumina inclusions, while calcium modifies inclusions into softer forms.

How do deoxidation products affect steel ingot quality?

Proper deoxidation reduces porosity and non-metallic inclusions, improving tensile strength, toughness, and fatigue resistance in forged components.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Deoxidation Products