Premium Electromagnetic Iron Billets – Vacuum Arc Remelting (VAR) Process
Manufactured by Xinye Taiming – Precision Engineered for Electromagnetic Applications
Product Overview
Advanced VAR-melted iron billets engineered for superior electromagnetic performance in high-demand industries.
| Feature | VAR Process Advantage |
|---|---|
| Purity Level | 99.98%+ (Impurities ≤0.02%) |
| Grain Structure | Ultra-uniform, <10µm grain size |
| Residual Elements | Oxygen ≤15ppm, Hydrogen ≤2ppm |
| Applications | Transformers, MRI Systems, Precision Motors |
Technical Specifications
| Parameter | Specification | Testing Standard |
|---|---|---|
| Dimensions | Ø150-500mm x 1000-6000mm (Customizable) | ASTM E3 |
| Density | 7.87 g/cm³ ±0.5% | ISO 3369 |
| Resistivity | 9.71 µΩ·cm @20°C | IEC 60468 |
| Magnetic Flux Density | 2.15T (Minimum Guaranteed) | ASTM A341 |
Chemical Composition (Typical)
| Element | Content (%) | Control Tolerance |
|---|---|---|
| Fe | 99.98 | ±0.005 |
| C | 0.002 | ±0.0003 |
| Si | 0.007 | ±0.001 |
| Mn | 0.003 | ±0.0005 |
| S | 0.0008 | ±0.0001 |
| P | 0.0012 | ±0.0002 |
Trace elements (Cr/Ni/Cu): ≤0.0015% each
Performance Comparison
| Property | Conventional Billet | Xinye VAR Billet | Improvement |
|---|---|---|---|
| Coercivity (A/m) | 80 | 42 | 47.5% ↓ |
| Core Loss (W/kg) | 2.3 | 1.1 | 52.2% ↓ |
| Permeability | 1800 | 3500 | 94.4% ↑ |
| Surface Roughness (Ra) | 6.3µm | 1.6µm | 74.6% ↓ |
Industrial Applications
| Sector | Application | Benefit |
|---|---|---|
| Energy | Power Transformer Cores | 15% Efficiency Gain |
| Automotive | EV Motor Laminations | 20% Weight Reduction |
| Aerospace | Actuator Components | Zero Magnetic Hysteresis |
| Medical | MRI Magnet Assemblies | 99.99% Field Uniformity |
Certifications & Compliance
| Standard | Scope | Certificate No. |
|---|---|---|
| ASTM A848 | Low-Carbon Magnetic Iron | XYT-2024VAR |
| ISO 9001:2015 | Quality Management | CNAS-QM-0456 |
| RoHS 3 | Hazardous Substance Free | EP2024-EU-789 |
VAR Process Flow
Raw Material Selection
Triple vacuum degassed feedstock
Electrode Preparation
Isostatic pressing @1200MPa
Vacuum Arc Remelting
10⁻⁴ mBar vacuum, 8000A DC current
Homogenization
48hr @1150°C in hydrogen atmosphere
Final Inspection
Eddy current + ultrasonic testing
Why Choose Xinye Taiming?
| Competitive Edge | Technical Support | Sustainability |
|---|---|---|
| 40+ years metallurgical expertise | Custom alloy design | 100% scrap recycling |
| 0.1µm surface finishing | JIT delivery system | Zero wastewater |
| 100% batch traceability | Field failure analysis | Carbon-neutral melting |
FAQ Section
Q: Minimum order quantity for custom dimensions?
A: 5 metric tons with 30-day lead time.
Q: Surface protection during shipping?
A: VCI film + nitrogen-purged packaging standard.
Q: Maximum continuous operating temperature?
A: 650°C with <0.01% dimensional change.