Precision 1J79 Permalloy Pipe&Tube, please note that the above table provides a range of standard thicknesses, widths, and lengths for Precision Alloy.
- Dimensions:
- Outside Diameter: Φ6 – Φ200mm
- Wall Thickness: 0.35 – 60mm
- Length: ≤ 12000mm
- Certification: ISO, SGS, BV and so on.
- *Customized size needs to be confirmed with us
- Shapes: Angle, Hexagon, Square, Channel, Round,etc.
- Grades: 1J22 soft magnetic alloy, 1J50 soft magnetic alloy, 1J79 Permalloy, 1J85 Permalloy, 4J32(Super-Invar), 4J36, 4J29Kovar alloy, 4J42Kovar alloy, Cobalt-based elastic alloy 3J21, 6026, 6J22, 50HXC.
Precision 1J79 Permalloy Pipe of Size And Specifications
Precision 1J79 Permalloy Pipe/Tube Alloy, also known as 1J79 soft magnetic alloy tube or E11c Permalloy tube, is a nickel-iron (Ni-Fe) magnetic alloy renowned for its exceptional magnetic properties. Invented in 1914 by physicist Gustav Elmen at Bell Telephone Laboratories, 1J79 Permalloy has become a staple in the electrical and electronics industries due to its high magnetic permeability, low coercivity, and near-zero magnetostriction. This alloy is particularly suited for applications requiring high sensitivity and efficiency in magnetic fields, such as transformers, chokes, relays, and magnetic shields.
Huaxiao Metal Supplier provides all sizes of Precision alloy pipe for sale. Customized specifications are available upon request. Additionally, the exact chemical composition and mechanical properties may vary slightly within the ranges listed, depending on the specific alloy formulation and production process. Custom sizes are also available upon request. Welcome to inquire, and learn about more details about the alloy pipe.
Alloy Specification Precision 1J79 Permalloy Pipe
1J79 Permalloy is classified as a precision soft magnetic alloy with high permeability in weak magnetic fields. It exhibits high squareness of the hysteresis loop and a low coefficient of magnetization reversal, making it ideal for small cores operating in weak fields. The alloy is available in various forms, including pipes, tubes, strips, wires, and sheets, catering to diverse industrial needs.
| Parameter | Specification |
|---|---|
| Standard | GB/T 15018, ASTM A753 |
| Form | Seamless cold-drawn tubes, welded pipes |
| OD Range | 1mm – 100mm (±0.03mm tolerance) |
| Wall Thickness | 0.1mm – 5mm (±3% tolerance) |
| Length | Custom (max 6m for seamless) |
| Surface Finish | Bright annealed (Ra<0.3μm) |
| Certification | RoHS, REACH, MIL-STD-454 |
Chemical Composition of Precision 1J79 Pipe
| Element | Content | Function |
|---|---|---|
| Nickel (Ni) | 78.5-80.5% | Maximizes permeability |
| Iron (Fe) | Balance | Magnetic matrix |
| Molybdenum (Mo) | 3.8-4.2% | Reduces coercivity |
| Manganese (Mn) | 0.30-0.60% | Sulfur control |
| Silicon (Si) | 0.15-0.30% | Deoxidation |
| Carbon (C) | ≤0.03% | Minimizes magnetic aging |
| Impurities | ≤0.50% | Ensures purity |
Critical Notes:
Precise Ni/Mo ratio ensures optimal magnetic properties
Ultra-low carbon prevents magnetic hysteresis
Physical Properties of Precision 1J79 Permalloy Tube
| Property | Value | Test Standard |
|---|---|---|
| Density (g/cm³) | 8.60 | ASTM B311 |
| Melting Point (°C) | 1420-1450 | – |
| Thermal Conductivity (W/m·K) | 25.0 | ASTM E1225 |
| Electrical Resistivity (μΩ·m) | 0.55 | IEC 60468 |
| CTE (10⁻⁶/°C, 20-100°C) | 12.5 | ASTM E228 |
| Curie Temperature (°C) | 460 | – |
The physical properties of 1J79 Permalloy are crucial for its performance in magnetic applications. Key properties include:
- Density: 8.6 g/cm³
- Resistivity: 0.55 μΩ·m (20°C)
- Curie Point: 450°C
- Saturation Magnetostriction: 2 × 10⁻⁶
- Linear Expansion Coefficient: 10.3 – 10.8 × 10⁻⁶/°C (20°C – 200°C)
These properties ensure that 1J79 Permalloy maintains its magnetic performance over a wide temperature range and under varying mechanical stresses.
Please note that the above specifications are typical and may vary slightly based on the manufacturer, production batch, and specific application requirements. For precise specifications and availability, it is recommended to consult with a supplier or manufacturer of Precision alloy pipes. Huaxiao Metal Manufacturer also provides other shapes of Precision products, such as strip, sheet&plate, coil, bar, wire&mesh. The price is affordable and suitable.
Mechanical Properties of Precision 1J79 Tube
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 420-500 |
| Yield Strength (MPa) | 200-280 |
| Elongation (%) | 35-45 |
| Hardness (HV) | 110-140 |
| Fatigue Limit (MPa) | 160 (10⁷ cycles) |
Work Hardening Effects:
Cold drawing increases strength by 15-20%
Final annealing at 1100°C in hydrogen restores soft magnetic properties
The mechanical properties of 1J79 Permalloy are also important for its processing and application. Key properties include:
- Tensile Strength (RM): 1030/490 MPa
- Yield Strength (σ₀.₂): 980/145 MPa
- Modulus of Elasticity (E): 210 kN/mm²
- Elongation (δ₅): 3/50%
These properties indicate that 1J79 Permalloy has good strength and ductility, allowing it to be processed into various shapes and sizes without significant loss of magnetic performance.
What are the Precision 1J79 Permalloy Pipe Benefits?
Precision 1J79 Permalloy Pipe offers a multitude of benefits that make it an ideal choice for a wide range of applications. Precision Alloy Pipe offers a combination of high precision, enhanced mechanical properties, corrosion resistance, high temperature resistance, customizability, improved efficiency and reliability, and a wide range of applications. These benefits make it an ideal choice for a variety of demanding applications across multiple industries.Welcome to Huaxiao Metal Manufacturer to request the price, trust you can be satisfied in the alloy products and buy our products in quickly. Our services are in providing comprehensive and support to clients.
Precision 1J79 Permalloy Pipe Applications and Uses
Huaxiao Metal Supplier provides all kinds of precision alloy pipe in the world. Welcome to inquiry and ask for the price.
1J79 Permalloy Pipe/Tube Alloy finds applications in various industries, including:
- Electrical and Electronics: Used in transformers, chokes, relays, and magnetic recording heads.
- Precision Instruments: Employed in magnetic shields and sensors.
- Remote Control and Automatic Control Systems: Utilized in magnetic actuators and position sensors.
- Medical Devices: Found in MRI machines and other medical imaging equipment.
The following table provides a detailed comparison of the magnetic properties of 1J79 Permalloy in different forms:
| Product Form | Thickness/Diameter (mm) | Initial Permeability (mH/m) | Maximum Permeability (mH/m) | Coercive Force (A/m) | Saturation Induction (T) |
|---|---|---|---|---|---|
| Cold-Rolled Strips | 0.01 | 17,500 | 140,000 | 75 | 0.75 |
| Cold-Rolled Strips | 0.10 | 10,000 | 58,800 | 383 | 0.75 |
| Cold-Rolled Sheets | 0.20 | 28,000 | 160,000 | 160 | 0.75 |
| Cold-Drawn Wire | 0.10 | 6,300 | 50,000 | 504 | 0.75 |
| Hot-Rolled Sheets | 0.10 | 25,000 | 150,000 | 100 | 0.75 |
This table demonstrates that the magnetic properties of 1J79 Permalloy can be tailored by adjusting the product form and thickness/diameter, allowing for optimization based on specific application requirements.
| Industry | Application | Why 1J79? |
|---|---|---|
| Electronics | Transformer cores | High μ/low loss |
| Defense | Fluxgate sensors | Stable weak-field response |
| Medical | MRI shielding | Excellent attenuation |
| Telecom | RF isolators | Low hysteresis |
| Scientific | Particle detectors | Precision field control |
Precision 1J79 Permalloy Tube Advantages
The use of 1J79 Permalloy Pipe/Tube Alloy offers several benefits:
- High Magnetic Permeability: This allows for efficient energy transfer and reduces energy losses in magnetic circuits.
- Low Coercivity: This results in low hysteresis losses and improved efficiency in magnetic devices.
- Near-Zero Magnetostriction: This minimizes the effects of mechanical stress on magnetic properties, ensuring stable performance over time.
- Excellent Corrosion Resistance: The alloy’s chemical composition provides good resistance to corrosion, extending the lifespan of magnetic components.
✔Tube Production Methods:
✔Seamless: Cold drawing (better magnetic uniformity)
✔Welded: Laser welding + annealing (cost-efficient)
✔Final annealing in wet hydrogen (dew point -40°C)
✔Stress relief at 600°C for dimensional stability
✔ Highest permeability among commercial Ni-Fe alloys
✔ Minimal core loss in AC applications
✔ Excellent shielding effectiveness (>6dB 1kHz)
✔ Good weldability (TIG/laser welding compatible)
✔ Superior performance in weak magnetic fields
Alloy FactoryTips for Procurement and Cost-Effectiveness
When procuring 1J79 Permalloy Pipe/Tube Alloy, consider the following tips to ensure cost-effectiveness:
- Choose Reputable Suppliers: Select suppliers with a proven track record of quality and reliability. This ensures that you receive high-quality materials that meet your specifications.
- Consider Bulk Purchases: Bulk purchases often come with discounts, reducing the overall cost per unit.
- Negotiate Payment Terms: If possible, negotiate favorable payment terms, such as extended payment periods or cash discounts, to improve cash flow.
- Monitor Market Prices: Keep an eye on market prices and take advantage of price fluctuations to secure the best deals.
| OD (mm) | Wall (mm) | Price (USD/m) |
|---|---|---|
| 5 | 0.5 | $60-90 |
| 20 | 1.0 | $120-180 |
| 50 | 2.0 | $250-350 |
Procurement Strategies:
✔ Order >50m for 10-15% bulk discount
✔ Specify hydrogen annealing for critical apps
✔ Request BH curve test reports
Alloy Procurement
Procurement of 1J79 Permalloy Pipe/Tube Alloy can be done through various channels, including:
- Direct Manufacturers: Contacting manufacturers directly can provide access to a wide range of products and customization options.
- Authorized Distributors: Distributors often have a broad inventory and can provide quick delivery times.
- Online Marketplaces: Online platforms offer a convenient way to compare prices and specifications from multiple suppliers.
Cost-Effectiveness
The cost-effectiveness of 1J79 Permalloy Pipe/Tube Alloy depends on several factors, including:
- Material Quality: Higher-quality materials may cost more upfront but can provide long-term savings through improved performance and reduced maintenance.
- Processing Costs: The cost of processing the alloy into the desired shape and size can vary significantly between suppliers.
- Market Conditions: Market prices can fluctuate based on supply and demand, affecting the overall cost of procurement.
Precision 1J79 Permalloy Alloy Factory
Huaxiao Metal Supplier provides professional services and reasonable prices, offering customers the best quality products. The Precision Alloy Pipe Alloy Factory is a specialized manufacturing facility dedicated to the production of high-quality precision alloy bars. This factory combines advanced technology, rigorous quality control, and experienced personnel to ensure the production of precision alloy pipes that meet the highest standards.The factory is equipped with state-of-the-art production equipment and machinery, capable of producing precision alloy pipes with precise dimensions and consistent quality. Welcome to require, and ask to the price.
Manufacturing and Cost
The manufacturing process of 1J79 Permalloy Pipe/Tube Alloy involves several steps, including melting, casting, hot rolling, cold rolling, and annealing. The cost of manufacturing can be influenced by:
- Raw Material Costs: The cost of nickel and iron, the primary components of the alloy, can fluctuate based on global market conditions.
- Energy Costs: The energy-intensive nature of the manufacturing process can impact the overall cost.
- Labor Costs: Labor-intensive processes, such as cold rolling and annealing, can add to the manufacturing cost.
Pricing Insights
Pricing for 1J79 Permalloy Pipe/Tube Alloy can vary widely based on several factors, including:
- Product Form: Prices can differ between pipes, tubes, strips, wires, and sheets due to differences in manufacturing processes and material usage.
- Order Quantity: Bulk orders often come with discounts, reducing the price per unit.
- Supplier Location: Shipping costs and import duties can affect the final price, especially for international orders.
For example, a supplier in China may offer prices as low as 159.90 per kilogram for smaller quantities.
In Conclusion
1J79 Permalloy pipe/tube offers unmatched magnetic performance for precision applications:
✔ Superior permeability vs. standard Ni-Fe alloys
✔ Critical for sensitive instrumentation
✔ Reliable shielding performance
Selection Guide:
Ultra-high μ needs: 1J79 or Mu-Metal
Balanced performance: 1J50
Budget-conscious: Consider 1J85
Future Developments:
Thinner wall tubes (<0.1mm) for miniaturization
Additive manufacturing compatibility research
Improved high-frequency formulations
This analysis confirms 1J79’s critical role in advanced electromagnetic systems where magnetic precision is paramount.
Precision 1J79 Permalloy Pipe/Tube Alloy is a versatile and high-performance material with exceptional magnetic properties. Its high magnetic permeability, low coercivity, and near-zero magnetostriction make it ideal for a wide range of applications in the electrical, electronics, precision instrument, and remote control industries. By carefully considering procurement strategies, cost-effectiveness, and manufacturing processes, businesses can leverage the benefits of 1J79 Permalloy to enhance the performance and efficiency of their magnetic components.