Product Overview
High-Fluidity Pure Iron redefines casting efficiency with its exceptional flow properties and ultra-low impurity profile. Engineered for intricate molds and thin-walled components, this material achieves ≥99.95% purity while maintaining viscosity levels that enable flawless mold filling-even in sub-millimeter geometries. Ideal for automotive, aerospace, and micro-engineering applications, it minimizes casting defects like cold shuts and porosity, reducing post-processing costs by up to 40%.
What Makes It "High-Fluidity"?
1. Low-Viscosity Molten Flow
- Controlled carbon content (0.008–0.015%) and ultra-low sulfur (<0.002%) reduce surface tension, achieving a spiral fluidity length of 720–780 mm (vs. 550 mm for standard pure iron). This allows precise replication of fine details in sand, investment, and die casting.
2. Microstructure Optimization
- Electro-slag remelting (ESR) refines grain boundaries to ASTM 10–12 (4–6 μm), eliminating dendritic structures that hinder flow.
-Silicon-modulated composition (0.05–0.12% Si) enhances wettability without compromising magnetic properties.
3. Thermal Management
- A narrow solidification range (1,535–1,538°C) ensures rapid, uniform cooling, critical for thin-walled (<1 mm) and high-aspect-ratio castings.
Key Product Features & Benefits
Ultra-Low Impurity Content
Composition: >99.5% Fe (iron), with严格控制 (strictly controlled) traces of C (<0.02%), P (<0.01%), S (<0.005%), and Mn (<0.1%).
Why it matters: Impurities like sulfur and phosphorus can degrade fluidity and cause embrittlement. Our pure iron minimizes these risks, ensuring reliable mechanical properties in the final casting.
Applications
- Automotive: Fuel injector nozzles, turbocharger housings, and EV motor laminations requiring <0.5 mm wall thickness.
- Aerospace: Lightweight turbine blades with internal cooling channels.
- Electronics：EMI shielding casings and sensor housings with micro-scale features.
- Medical Devices: Biocompatible surgical tools and implant molds.
Technical Benefits
1. Defect-Free Castings
- Near-zero gas porosity (≤0.1%) due to vacuum degassing during production.
- Consistent CTE (11.8 µm/m·K) prevents thermal stress cracks.
2. Sustainability Edge
- Recyclable with 98% material recovery rate in closed-loop foundries.
- Produced via induction melting powered by 80% renewable energy, slashing CO₂ emissions by 65% vs. conventional methods.
3. Custom Solutions
- Available in granules, ingots, or pre-alloyed variants for specialized needs like **3D-printed sand molds.
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