INDUSTRY COMPONENT

Aluminum Trace

Aluminum trace is a controlled impurity component in high-purity ferrotitanium master alloys used for precise titanium content adjustment in steel production.

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Component Specifications

Definition
Aluminum trace refers to the intentional residual aluminum content maintained within strict limits in high-purity ferrotitanium master alloys. This component serves as a deoxidizer and grain refiner during the alloying process, while its concentration is carefully controlled to prevent adverse effects on the final steel product's mechanical properties and corrosion resistance. In industrial applications, it typically constitutes 0.1-0.5% of the master alloy composition.
Working Principle
Aluminum acts as a strong deoxidizer that removes oxygen from molten steel during the ferrotitanium addition process. It forms aluminum oxides that float to the surface as slag, while simultaneously refining the grain structure of the steel through the formation of fine aluminum nitride precipitates. The trace amount is critical - sufficient to ensure complete deoxidation but limited to prevent excessive aluminum from remaining in solution, which could negatively impact steel ductility and weldability.
Materials
High-purity aluminum (99.7% Al minimum) in trace amounts within ferrotitanium matrix. The ferrotitanium base typically contains 65-75% Ti, 20-30% Fe, with controlled impurities including Al, Si, C, S, P all below 0.5%.
Technical Parameters
  • Density 4.5-4.8 g/cm³
  • Iron_content 20-30%
  • Melting_point 1400-1500°C
  • Particle_size 10-50mm
  • Aluminum_content 0.1-0.5%
  • Titanium_content 65-75%
Standards
ISO 5451, ASTM A324, DIN 17567

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Aluminum Trace.

aluminum trace ferrotitanium master alloy steel additive deoxidizer grain refiner metallurgical component titanium alloying Aluminum Trace in Basic Metal Manufacturing

Parent Products

This component is used in the following industrial products

High-Purity Ferrotitanium Master Alloy

High-purity iron-titanium alloy for steel and aluminum refinement

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Engineering Analysis

Risks & Mitigation
  • Aluminum segregation in final product
  • Excessive deoxidation leading to inclusion formation
  • Grain growth inhibition failure
  • Specification non-compliance in high-grade steels
FMEA Triads
Trigger: Inconsistent raw material aluminum content
Failure: Variable deoxidation efficiency and unpredictable steel properties
Mitigation: Implement strict incoming material inspection and batch testing protocols
Trigger: Improper mixing during master alloy production
Failure: Aluminum segregation leading to localized high concentrations
Mitigation: Use controlled atmosphere melting with mechanical stirring and standardized cooling rates
Trigger: Storage contamination or oxidation
Failure: Aluminum loss through oxidation affecting concentration
Mitigation: Store in dry, inert atmosphere containers with moisture control

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.05% aluminum content from specified value
Test Method
ASTM E1019 - Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

Why is aluminum trace important in ferrotitanium master alloys?

Aluminum trace serves dual purposes: it acts as a deoxidizer to remove oxygen during steelmaking, and it helps refine grain structure through precipitation hardening, improving the mechanical properties of the final steel product.

What happens if aluminum content exceeds the specified trace limits?

Excessive aluminum can lead to reduced ductility, increased brittleness, and poor weldability in the final steel product. It may also cause nozzle clogging during continuous casting operations.

How is aluminum trace content measured and controlled?

Aluminum content is typically measured using optical emission spectroscopy (OES) or X-ray fluorescence (XRF) analysis. Control is maintained through precise raw material selection and controlled addition during the ferrotitanium production process.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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