Iron Phase: Grain Size 50-200 μm, Density 4.5-5.5 g/cm³

Component Specifications

Definition

The iron phase refers to the specific crystalline arrangement and distribution of iron atoms within the ferroaluminum master alloy matrix. In high-purity ferroaluminum master alloys, this phase determines key metallurgical characteristics including grain structure, phase stability, and mechanical properties. It forms during solidification and heat treatment processes, influencing the alloy's performance in applications such as steelmaking and aluminum alloy production.

Working Principle

The iron phase operates through metallurgical phase formation principles where iron atoms arrange into specific crystalline structures (typically body-centered cubic or face-centered cubic) within the aluminum matrix. During alloy solidification, controlled cooling rates and composition determine phase distribution, grain size, and intermetallic compound formation, directly affecting the master alloy's effectiveness as a grain refiner or deoxidizer.

Materials

High-purity iron (Fe ≥ 99.5%), Aluminum (Al ≥ 99.7%), with controlled trace elements (Si ≤ 0.1%, Cu ≤ 0.05%, Mn ≤ 0.05%)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Density	4.5-5.5 g/cm³
Grain Size	50-200 μm
Iron Content	40-60%
Phase Purity	≥ 95%
Melting Point	1150-1250°C
Impurity Level	≤ 0.3%
Aluminum Content	40-60%

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 5445, DIN 1725, ASTM B179

Parent Products

This component is used in the following industrial products

High-Purity Ferroaluminum Master Alloy

Aluminum-iron alloy used as additive in steelmaking and non-ferrous metal production

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Engineering Analysis

Risks & Mitigation

Phase segregation during solidification
Inconsistent grain refinement
Intermetallic compound formation affecting ductility
Impurity contamination reducing effectiveness

FMEA Triads

Trigger: Inadequate cooling rate during production
Failure: Coarse iron phase structure
Mitigation: Implement controlled cooling systems and real-time thermal monitoring

Trigger: Impurity contamination from raw materials
Failure: Reduced phase purity and effectiveness
Mitigation: Use high-purity raw materials and implement quality control checks

Trigger: Inconsistent composition mixing
Failure: Non-uniform phase distribution
Mitigation: Automated mixing systems with composition sensors

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±2% composition variation, ±10 μm grain size tolerance

Test Method

Optical microscopy (ASTM E112), X-ray diffraction (ISO 20283), chemical analysis (ASTM E1019)

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

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Supplier transparency

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Manufacturers of Iron Phase

Manufacturer profiles associated with Iron Phase.

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Frequently Asked Questions

What is the primary function of the iron phase in ferroaluminum master alloy?

The iron phase controls grain structure and mechanical properties, acting as a nucleation site during solidification to refine grain size in final metal products.

How does iron phase purity affect alloy performance?

Higher phase purity ensures consistent metallurgical properties, better deoxidation efficiency, and reduced inclusion formation in steel and aluminum production.

What industries use ferroaluminum master alloy with optimized iron phase?

Steelmaking, aluminum alloy production, automotive manufacturing, aerospace components, and precision casting industries.

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.

Iron Phase