Industrial-Grade Pure Iron Bar (99.9+% Fe) | Beilun Metals
Premium Low-Carbon Iron Rods for Precision Machining & Electromagnetic Applications
Product Summary
Beilun Metals' ASTM A848-certified pure iron bars deliver unmatched consistency with ≤0.02% impurities, optimized for tooling, magnetic cores, and corrosion-resistant components. Produced via vacuum induction melting (VIM) + ESR (Electroslag Remelting) technology.
Competitive Edge vs. Standard Pure Iron
| Feature | Beilun Pure Iron Bar | Generic Industrial Grade | Improvement |
|---|---|---|---|
| Total Impurities | ≤200 ppm | ≤500 ppm | 60% lower |
| Carbon Content | 0.008% max | 0.03% max | 73% purer |
| Magnetic Flux Density | 1.8-2.1 T | 1.5-1.7 T | +25% |
| Surface Roughness | Ra ≤1.6 μm | Ra ≤3.2 μm | 50% smoother |
| Straightness Tolerance | 0.5mm/m | 1.2mm/m | 58% tighter |
Certified Chemical Composition
Third-party verified via OES (Optical Emission Spectroscopy):
Elemental Analysis (Weight %)
| Element | Content | ASTM A848 Limit | Testing Method |
|---|---|---|---|
| Iron (Fe) | 99.92% | ≥99.85% | XRF |
| Carbon (C) | 0.006% | ≤0.015% | Combustion |
| Silicon (Si) | 0.003% | ≤0.01% | ICP-OES |
| Manganese (Mn) | 0.007% | ≤0.02% | AES |
| Sulfur (S) | 0.001% | ≤0.005% | LECO Analyzer |
| Phosphorus (P) | 0.002% | ≤0.008% | UV-Vis |
Key Applications & Benefits
| Industry | Typical Use Cases | Performance Advantage |
|---|---|---|
| Power Electronics | Transformer laminations, relays | 98% relative permeability (1.6 T) |
| Automotive | Fuel injector cores, sensor parts | 220 MPa yield strength, zero porosity |
| Tool & Die | Mold bases, EDM electrodes | HRB 65 hardness, stress-free structure |
| Chemical Processing | Reactor liners, valve stems | 0.12mm/yr corrosion rate (ASTM G31) |
| Research Labs | Calibration standards, shielding | 99.99% compositional uniformity |
Physical & Mechanical Properties
| Property | Specification | Test Method |
|---|---|---|
| Density | 7.874 g/cm³ ±0.3% | ASTM B962 |
| Tensile Strength | 290-320 MPa | ISO 6892-1 |
| Elongation at Break | 35-40% | ASTM E8/E8M |
| Electrical Resistivity | 9.7 μΩ·cm | Four-Point Probe |
| Curie Temperature | 770°C | DSC Analysis |
| Thermal Expansion | 11.8 μm/m·K (20-100°C) | ASTM E228 |
Customization Options
| Parameter | Available Specifications |
|---|---|
| Diameter | 10mm–200mm (±0.1mm tolerance) |
| Length | 1m–6m (custom cuts ±2mm) |
| Surface Treatment | Turned, Ground, Black Oxide Coated |
| Certification | EN 10204 3.1, RoHS, DFARS Compliant |
Packaging & Quality Assurance
| Packaging Type | Features |
|---|---|
| VCI Anti-Rust Film | Class II VpCI-126 protection (12-month warranty) |
| Wooden Crates | ISO-container optimized, 5-ton capacity |
| End Caps | Plastic caps to prevent edge damage |
| Traceability | Heat number + QR code laser-etched |
Why Beilun Metals?
🔧 Proprietary VIM-ESR Dual Refining Process
🔧 In-House ISO/IEC 17025 Accredited Lab
🔧 15-Day Standard Lead Time (Expedited Available)
🔧 Dedicated MRP System for Batch Consistency
Technical FAQs
Q: Can you supply magnetic annealing services?
A: Yes – hydrogen atmosphere annealing (≤3ppm O₂) available.
Q: What's the max continuous operating temperature?
A: 450°C in oxidizing environments; 600°C in inert gas.
Q: Do you provide machinability data sheets?
A: Full ISO 3685 machining parameters provided upon request.
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