Ultra-High Purity Electrolytic Iron Flakes | 4N+ Purity for Critical Applications
Medical, Aerospace & Semiconductor Grade | ISO 13485 & AS9100D Certified
Material Purity Beyond Industry Standards
Beilun Metal redefines ultra-clean metallurgy with 99.995% (5N) electrolytic iron flakes, engineered through proprietary triple-stage purification technology. Our advanced process reduces gaseous impurities by 80% compared to conventional methods.
Elemental Composition (Typical Values)
| Element | Standard Grade | Low-Gas Grade | Key Competitor |
|---|---|---|---|
| Fe | ≥99.99% | ≥99.995% | 99.97% |
| C | ≤30 ppm | ≤15 ppm | 50 ppm |
| O | ≤150 ppm | ≤50 ppm | 250 ppm |
| N | ≤20 ppm | ≤5 ppm | 30 ppm |
| S | ≤10 ppm | ≤2 ppm | 15 ppm |
| Ni+Cr | ≤5 ppm | ≤1 ppm | 20 ppm |
Proprietary Manufacturing Process
Stage 1: Electrolytic Refinement
Bipolar membrane electrolysis (Patent CN202310XXXXXX)
Current density control: 200–500 A/m² ±1%
Cathodic deposition rate: 0.15–0.25 mm/h
Stage 2: Vacuum Processing
Electron beam melting (EBM) at 10⁻⁴ Pa vacuum
Dynamic degassing monitored by residual gas analyzer
Stage 3: Morphology Engineering
Ultrasonic gas-atomized flakes: D50 = 120–180 µm
Hydrogen-reduced surface roughness: Ra ≤0.8 µm
Mission-Critical Applications
Medical Implants
ASTM F138-compatible orthopedic pre-alloy feedstock
MRI-safe surgical robot transmission components
Antimicrobial coating substrates (ISO 22196 compliant)
Aerospace Systems
Satellite balance weights (CTE 11.6×10⁻⁶/K)
Rocket fuel valve electroforming matrices
Thermal protection system binders
Semiconductor Manufacturing
Sputtering target precursors (4N8 purity)
Single-crystal silicon crucible liners
EUV lithography magnetic levitation parts
Certifications & Compliance
AS9100D Aerospace Quality Management
ISO 13485 Medical Device Production
SEMI F40 Electronic Materials Certification
REACH SVHC Substance-Free Declaration
Technical Superiority
| Property | Standard Grade | Low-Gas Grade | Industry Benchmark |
|---|---|---|---|
| Conductivity (MS/m) | 9.8 | 10.2 | 8.5 |
| Permeability (μ/μ₀) | 1,200 | 1,500 | 800 |
| Tensile Strength (MPa) | 210 | 180 | 150 |
| Recrystallization Temp (°C) | 680 | 720 | 620 |
| Outgassing Rate (Torr·L/s) | 5×10⁻⁹ | 2×10⁻⁹ | 1×10⁻⁸ |
Quality Assurance Protocol
GDMS Analysis: Full-element scan (detection limit: 0.1 ppb)
SEM-EDS Mapping: Surface composition at 1 µm resolution
Gas Content Testing: LECO ONH836 analyzer
Grain Size Verification: ASTM E112-13 compliance
Blockchain Traceability: Immutable batch records
Sustainable Production
85% Green Energy utilization in manufacturing
99.3% Metal Recovery Rate from process waste
1.8 kg CO₂/kg Product carbon footprint
Zero Liquid Discharge (ZLD) water treatment
Customization Capabilities
Morphology Options
Thickness: 0.05–2.0 mm (laser-trimmable)
Surface Finish: Passivated/Nickel-plated/Carbon-coated
Packaging Solutions
VCI anti-corrosion packaging (Class 100 cleanroom)
Vacuum-sealed aluminum foil bags (<10 ppm O₂)
RFID-enabled smart tracking
Technical FAQs
Q: How do you mitigate hydrogen embrittlement?
A: Hydrogen traps stabilize H content at ≤0.3 ppm
Q: Minimum thickness achievable?
A: 20 µm via EBM + rolling hybrid process
Q: Radiation control measures?
A: HPGe gamma spectroscopy ensures U/Th <0.01 Bq/g
Q: Minimum order quantity (MOQ)?
A: 10 kg for R&D; 1 MT for production
Why Beilun Metal?
✓ First globally to achieve SEMI F40 certification for electronic-grade iron
✓ 24/7 multilingual technical support
✓ MIL-SPEC supply chain security protocols
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