Precision 4J29 Kovar Alloy Coil, please note that the above table provides a range of standard thicknesses, widths, and lengths for Precision Alloy.
- Dimensions:
- Thickness: 0.5mm – 50mm
- Width: >600mm
- Certification: ISO, SGS, BV and so on.
- *Customized size needs to be confirmed with us
- Grades: 1J22 soft magnetic alloy, 1J50 soft magnetic alloy, 1J79 Permalloy, 1J85 Permalloy, 4J32(Super-Invar), 4J36, 4J29 Kovar alloy, 4J42Kovar alloy, Cobalt-based elastic alloy 3J21.
Precision 4J29 Kovar Alloy Size And Specifications
Huaxiao Metal Manufacturer is the professional and experienced in processing alloy in China.
| Property | Value |
|---|---|
| Common Name | Kovar (4J29) |
| Standard | ASTM F15, GB/T 15018 (China) |
| Form | Coil, Strip, Foil, Sheet |
| Density | 8.36 g/cm³ |
| Melting Point | 1450°C (2642°F) |
| Thermal Conductivity | 17.3 W/m·K |
| Electrical Resistivity | 49 μΩ·cm |
Huaxiao Metal Supplier provides all sizes of Precision alloy coil 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 coil.
Chemical Composition of Precision 4J29 Kovar Alloy Coil
The chemical composition of 4J29 Kovar Alloy is carefully controlled to achieve its desired properties. The typical composition is as follows:
| Element | Content (wt%) |
|---|---|
| Iron (Fe) | Balance |
| Nickel (Ni) | 28.5 – 29.5 |
| Cobalt (Co) | 16.8 – 17.8 |
| Silicon (Si) | ≤ 0.3 |
| Manganese (Mn) | ≤ 0.5 |
| Carbon (C) | ≤ 0.02 |
This precise balance of elements ensures the alloy’s low thermal expansion coefficient, high mechanical strength, and excellent corrosion resistance.
Physical Properties of Precision 4J29 Kovar Alloy Coil
| Property | Value | Comparison with Alternatives |
|---|---|---|
| CTE (20-300°C) | 4.7-5.5 × 10⁻⁶/°C | Lower than stainless steel (17.3 × 10⁻⁶/°C) |
| Thermal Conductivity | 17.3 W/m·K | Lower than copper (401 W/m·K) but sufficient for electronics |
| Electrical Resistivity | 49 μΩ·cm | Higher than copper (1.68 μΩ·cm) but acceptable for most applications |
The physical properties of 4J29 Kovar Alloy make it particularly suitable for applications requiring precision and stability. Key physical properties include:
- Thermal Expansion Coefficient: Approximately 4.6×10^-6/°C (20°C to 400°C), closely matching that of borosilicate glass.
- Density: Approximately 8.2 g/cm³.
- Melting Point: Around 1430°C.
- Electrical Resistivity: Approximately 0.48 μΩ·m at 20°C.
Mechanical Properties of Precision 4J29 Kovar Alloy Coil
| Property | Value |
|---|---|
| Tensile Strength | 517 MPa |
| Yield Strength (0.2% offset) | 345 MPa |
| Elongation at Break | 30% |
| Hardness (Rockwell B) | 85 HRB |
The mechanical properties of 4J29 Kovar Alloy ensure its suitability for demanding applications. Key mechanical properties include:
- Tensile Strength: Typically 480 MPa (at room temperature).
- Yield Strength: Approximately 275 MPa (at room temperature).
- Elongation: ≥ 15% (at room temperature).
- Hardness: 130 HB (Brinell).
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 coils. Huaxiao Metal Manufacturer also provides other shapes of Precision products, such as bar, sheet&plate, strip, tube&pipe, wire&mesh. The price is affordable and suitable.
What are the 4J29 Kovar Alloy Coil Benefits?
Precision 4J29 Kovar Alloy Coil, also known as Kovar alloy, is a specialized low-expansion iron-nickel-cobalt alloy designed for applications requiring extreme dimensional stability across a wide temperature range. Its unique combination of low thermal expansion, corrosion resistance, and good machinability makes it an ideal choice for various high-precision industries. These benefits make them a suitable choice for a wide range of demanding applications across different industries. Welcome to Huaxiao Metal Manufacturer to request the price, trust you can be satisfied in the alloy products and buy our products quickly, cooperate with us in trading Kovar Alloy coil 4J36 or other products.
Precision 4J29 Kovar Alloy Coil Applications and Uses
Huaxiao Metal Supplier provides all kinds of precision alloy coil in the world. Welcome to inquiry and ask for the price.
| Industry | Use Case |
|---|---|
| Electronics | IC packaging, transistor housings |
| Aerospace | Sensor housings, satellite components |
| Telecom | RF/Microwave enclosures |
| Medical | MRI components, pacemaker seals |
Case Study: Kovar is used in NASA spacecraft due to its reliability in extreme temperatures.
Precision 4J29 Kovar Alloy Coil finds applications in a wide range of industries due to its unique properties:
- Electronics: Used in electronic packaging, semiconductor devices, and vacuum tubes due to its low thermal expansion coefficient and good sealing properties.
- Aerospace: Employed in precision instruments, satellite components, and engine parts requiring high-temperature stability and dimensional accuracy.
- Medical: Used in medical devices and implants due to its biocompatibility and corrosion resistance.
- Telecommunications: Utilized in microwave components, filters, and oscillators requiring stable performance over a wide temperature range.
- Optical: Used in optical instruments and laser systems where dimensional stability is critical.
Precision 4J29 Kovar Alloy Coil is a high-performance material known for its unique combination of low thermal expansion coefficient, excellent mechanical properties, and superior corrosion resistance. This alloy, also referred to as Kovar or Nilo K, is primarily composed of iron, nickel, and cobalt, making it an ideal choice for applications requiring precision and stability in extreme environments. In this product analysis, we will delve into the alloy’s specifications, chemical composition, physical and mechanical properties, benefits, procurement tips, cost-effectiveness, manufacturing processes, pricing insights, and applications across various industries.
Precision 4J29 Kovar Alloy Coil Advantages
- Low Thermal Expansion Coefficient: Ensures dimensional stability in temperature-sensitive applications.
- Excellent Corrosion Resistance: Withstands harsh environments and corrosive media.
- Good Mechanical Properties: High strength and ductility make it suitable for demanding applications.
- Good Weldability: Easily welded using various methods, ensuring strong and reliable joints.
- Good Machinability: Can be easily machined and formed into complex shapes.
Benefits of Using 4J29 Kovar Alloy Coil
✔ Excellent Thermal Expansion Match – Ideal for glass-to-metal seals.
✔ High Corrosion Resistance – Suitable for harsh environments.
✔ Good Machinability & Weldability – Easy to fabricate into complex shapes.
✔ Reliable Performance – Stable under thermal cycling.
Tips for Procurement and Cost-Effectiveness
Alloy Procurement Considerations
Supplier Certification: Ensure compliance with ASTM F15 or equivalent.
Lead Time: Kovar is a specialty alloy; bulk orders may reduce costs.
Form & Thickness: Coils offer better cost-efficiency than pre-cut sheets.
4J29 Kovar Alloy Coil Factory
Huaxiao Metal Supplier provides professional services and reasonable prices, offering customers the best quality products. The Precision Alloy Coil Alloy Factory is a specialized manufacturing facility dedicated to the production of high-quality precision alloy coils. This factory combines advanced technology, rigorous quality control, and experienced personnel to ensure the production of precision alloy coils that meet the highest standards.The factory is equipped with state-of-the-art production equipment and machinery, capable of producing precision alloy coils with precise dimensions and consistent quality. Welcome to require, and ask to the price.
Cost-Effectiveness Analysis
| Factor | Impact on Cost |
|---|---|
| Raw Material (Ni & Co prices) | High influence (volatile market) |
| Manufacturing Process | Precision rolling increases cost |
| Order Volume | Bulk discounts available |
Pricing Insights:
Average Market Price: 50−80/kg (varies with Ni/Co market trends).
Alternative Alloys: Invar 36 (~$60/kg) has lower CTE but weaker mechanical properties.
| Property | 4J29 Kovar Alloy | Invar 36 | Stainless Steel 304 |
|---|---|---|---|
| Thermal Expansion Coefficient (20°C to 400°C) | 4.6×10^-6/°C | 1.2×10^-6/°C | 17.3×10^-6/°C |
| Density (g/cm³) | 8.2 | 8.1 | 7.9 |
| Melting Point (°C) | 1430 | 1400 | 1398-1454 |
| Tensile Strength (MPa) | 480 | 480 | 515 |
| Yield Strength (MPa) | 275 | 240 | 205 |
| Elongation (%) | ≥ 15 | ≥ 25 | ≥ 40 |
| Hardness (HB) | 130 | 120 | 92 |
| Corrosion Resistance | Excellent | Good | Excellent |
| Weldability | Good | Good | Good |
| Machinability | Good | Good | Good |
Precision 4J29 Kovar Alloy Coil is manufactured to meet stringent industry standards, ensuring consistent quality and performance. The coil form allows for easy handling and processing, making it suitable for a wide range of applications. Key specifications include:
- Form: Coil
- Thickness: Varies based on customer requirements
- Width: Customizable to fit specific application needs
- Length: Available in continuous lengths or cut to size
In Conclusion
4J29 Kovar alloy coil is a high-performance material for applications requiring precise thermal expansion control. Its superior sealing properties, corrosion resistance, and mechanical strength make it indispensable in electronics, aerospace, and medical industries.
Procurement Strategy: Buy in bulk from certified suppliers to optimize cost.
Future Trends: Increasing demand in 5G and electric vehicle (EV) battery sealing applications.
Precision 4J29 Kovar Alloy Coil is a versatile and high-performance material suitable for a wide range of applications. Its unique combination of low thermal expansion coefficient, excellent mechanical properties, and superior corrosion resistance makes it an ideal choice for demanding environments. By understanding its specifications, chemical composition, physical and mechanical properties, benefits, procurement tips, cost-effectiveness, manufacturing processes, pricing insights, and applications, you can make informed decisions and ensure the success of your projects.
Precision 4J29 Kovar Alloy Coil offers a unique combination of properties that make it indispensable in various high-precision industries. Its low thermal expansion coefficient, corrosion resistance, and good machinability ensure long-term reliability and performance in demanding applications. By carefully considering procurement strategies and cost-effectiveness, businesses can leverage the benefits of this high-performance alloy to meet their specific needs.