Precision 4J32 Super-Invar Coil, please note that the below, Huaxiao Metal Supplier provides a range of standard thicknesses, and lengths for Precision Alloy Coil.
Available Forms & Sizes:
- Form: Cold rolled strip, supplied in coil form.
- Thickness: 0.05mm – 2.0mm (Custom sizes available upon request)
- Width: Up to 300mm
- Condition: Annealed, with a bright finish.
- Package：Export wooden pallets, Craft paper, Anti-Blushing Agent.
- Certification: ISO, SGS, BV and so on.
Overview of Precision 4J32 Coil
Precision 4J32 Super Invar Coil Alloy, also known as Super-Invar alloy, is a nickel-iron-cobalt-based precision alloy renowned for its exceptional low thermal expansion coefficient and superior mechanical properties. This alloy is primarily utilized in applications requiring high dimensional accuracy and stability within a range of ambient temperature changes. Its unique combination of properties makes it ideal for various industries, aerospace, electronics, and precision instrument manufacturing.Huaxiao Metal Manufacturer is the professional and experienced in processing alloy in China.
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.
| Specification | Value |
|---|---|
| Density | 8.10 g/cm³ |
| Melting Temperature Range | 1430 – 1450 °C |
| Thermal Conductivity | 13.9 W/(m·°C) |
| Electrical Resistivity | 0.77 μΩ·m |
| Curie Point (Tc) | 220 °C |
| Residual Magnetic Induction (Br) | 0.58 T (at 4000 A/m) |
| Coercive Force (Hc) | 75 A/m |
Chemical Composition of Precision 4J32 Super Invar Coil
The chemical composition of 4J32 Super Invar alloy includes:
| Element | Range (wt%) |
|---|---|
| Nickel (Ni) | 31.5 – 33.0 |
| Iron (Fe) | Balance |
| Cobalt (Co) | 3.2 – 4.2 |
| Carbon (C) | ≤ 0.05 |
| Silicon (Si) | ≤ 0.20 (or 0.20 – 0.30 depending on production process) |
| Manganese (Mn) | 0.2 – 0.6 |
| Phosphorus (P) | ≤ 0.020 |
| Sulfur (S) | ≤ 0.020 |
| Copper (Cu) | 0.4 – 0.8 |
| Chromium (Cr) | 0.15 – 0.30 (trace amounts in some formulations) |
Physical Properties of Precision 4J32 Coil
| Property | Value |
|---|---|
| Density (g/cm³) | 8.1 |
| Thermal Conductivity (W/m·K) | 10.5 |
| Electrical Resistivity (μΩ·m) | 0.85 |
| Magnetic Permeability (μ) | ~100 (weakly magnetic) |
4J32 Super Invar alloy exhibits a very low coefficient of thermal expansion, typically less than 1.0×10^-6/°C within the temperature range of 20°C to 100°C. This property ensures dimensional stability even under temperature fluctuations. The alloy’s density of 8.10 g/cm³ and thermal conductivity of 13.9 W/(m·°C) contribute to its effectiveness in applications requiring thermal stability.
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.
Mechanical Properties of Precision 4J32 Super Invar Coil
| Property | 4J32 (Annealed) | 4J32 (Cold Worked) |
|---|---|---|
| Tensile Strength (MPa) | 450–550 | 600–750 |
| Yield Strength (MPa) | 250–350 | 500–650 |
| Elongation (%) | 30–40 | 5–15 |
| Hardness (HV) | 130–160 | 180–220 |
Ensure the alloy meets relevant standards and specifications, such as GB/T 37797-2019 and GB/T 15018-1994.
What are the 4J32 Super Invar Benefits?
4J32 Super Invar delivers unparalleled dimensional stability with its near-zero thermal expansion coefficient (0.3–0.5 × 10⁻⁶/K from 20–100°C), outperforming standard Invar by 5x. This ultra-low CTE prevents micron-scale drift in mission-critical systems like satellite optics, EUV lithography stages, and precision metrology frames. 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 in quickly. Looking forward to cooperation.
Precision 4J32 Coil Applications and Uses
Welcome to Huaxiao Metal Manufacturer, your trusted supplier of high-performance 4J32 Super Invar alloy coils. Our Precision Super Invar is engineered for applications demanding exceptional dimensional stability in environments with temperature fluctuations. If you’re designing precision instruments, aerospace systems, or optical devices, our 4J32 coils provide the ultra-low coefficient of thermal expansion (CTE) you need to ensure long-term accuracy and reliability. Huaxiao Metal Supplier provides all kinds of precision alloy coil in the world. Welcome to inquiry and ask for the price.
- Aerospace: Used in precision sensors, satellite support structures, and optical device frameworks due to its low thermal expansion coefficient.
- Electronics: Suitable for high-reliability components in complex circuits and connectors.
- Precision Instruments: Ideal for high-precision measurement equipment, and other devices requiring dimensional stability.
| Industry | Use Case | Why 4J32? |
|---|---|---|
| Aerospace | Satellite structures, sensor mounts | Zero thermal distortion |
| Optics | Telescope frames, laser housings | Prevents misalignment |
| Semiconductor | Wafer stages, EUV lithography | Nanometer-level stability |
| Scientific Instruments | Atomic clocks, interferometers | Long-term reliability |
Alloy Procurement and Cost-Effectiveness
When procuring 4J32 Super Invar alloy, consider the following factors for cost-effectiveness:
- Market Pricing: Monitor market trends to purchase during periods of lower prices.
- Material Utilization: Optimize designs to maximize material utilization and minimize waste.
- Long-Term Contracts: Establish long-term contracts with suppliers for consistent pricing and quality.
Precision 4J32 Super Invar Coil Advantages
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.
- Low Thermal Expansion Coefficient: Ideal for applications where dimensional stability is crucial, such as precision instruments and aerospace components.
- High Corrosion Resistance: Suitable for use in atmospheric, freshwater, and seawater environments.
- Good Mechanical Properties: Offers a balance of strength, ductility, and toughness.
- Excellent Formability: Easily processed through hot and cold rolling, extrusion, and other forming methods.
The Precision 4J32 Super Invar Coil Alloy is a nickel-iron-cobalt alloy renowned for its ultra-low thermal expansion coefficient (CTE) at room and slightly elevated temperatures. This alloy is an enhanced version of traditional Invar (4J36), offering superior dimensional stability in precision applications where minimal thermal expansion is critical.
Key Characteristics:
Extremely low CTE (0.6–1.0 × 10⁻⁶/°C) within -60°C to 100°C
Excellent mechanical stability
Superior corrosion resistance compared to standard Invar
Ideal for aerospace, optical systems, and scientific instruments
Precision 4J32 Super Invar Coil is a specialized alloy renowned for its exceptional thermal expansion properties. This alloy, composed primarily of iron, nickel, and cobalt, exhibits extremely low coefficients of thermal expansion, making it an ideal material for applications requiring high dimensional stability over a range of temperatures.
Advantages:
- It maintains minimal size changes with temperature fluctuations, ensuring precision in devices.
- Enhanced high-temperature stability and corrosion resistance due to its nickel and cobalt content.
- Good machinability, allowing it to be processed into various forms such as coils.
In summary, Precision 4J32 Super Invar Coil offers unparalleled advantages in terms of dimensional stability, machinability, and corrosion resistance, making it a highly valued material across various high-precision fields.
Manufacturing and Cost
The manufacturing process of 4J32 Super Invar alloy involves melting, casting, and subsequent thermal treatments to achieve the desired microstructure and properties. Costs are influenced by raw material prices, processing fees, and energy consumption. Efficient production processes and material optimization can help reduce manufacturing costs.
Pricing Insights
Pricing for 4J32 Super Invar alloy varies based on market conditions, raw material availability, and demand. It’s crucial to stay informed about market trends and negotiate effectively with suppliers to secure competitive pricing.
Why Choose the Precision 4J32 Alloy?
The Precision 4J32 Super Invar Coil Alloy is the premium choice for applications requiring near-zero thermal expansion. While more expensive than 4J36, its enhanced stability justifies the cost in high-precision aerospace, optical, and scientific applications.
For cost-sensitive projects, 4J36 remains viable, but 4J32 is unmatched where thermal drift is unacceptable. Proper procurement strategy (bulk orders, certified suppliers) ensures optimal cost-performance balance.
Ready to integrate Precision 4J32 Super Invar into your next project? Contact us today for a competitive quote. Our specialists are ready to assist you with your specific requirements and provide the comprehensive technical data you need to make an informed decision.
Precision 4J32 Super Invar Coil Alloy is a versatile material with unique properties that make it indispensable in various industries. Its low thermal expansion coefficient, high corrosion resistance, and good mechanical properties combine to provide a robust solution for demanding applications. By understanding its specifications, chemical composition, physical and mechanical properties, and procurement tips, you can effectively leverage this alloy to meet your project requirements while optimizing costs. As technology progresses, 4J32 Super Invar alloy will continue to play a pivotal role in advancing industrial and technological developments.
Why Source Your 4J32 Coil from Huaxiao Metal Supplier?
Choosing the right supplier is as important as choosing the right material. Here’s why global engineers trust us:
Uncompromising Quality: Every batch undergoes rigorous testing to ensure chemical and physical properties meet spec.
Precision Processing: We offer custom slitting, cutting, and sizing to your exact requirements, saving you time and cost.
Technical Expertise: Our team provides expert material selection support and technical data for your projects.
Global Logistics: We reliably ship to customers worldwide, ensuring you get the materials you need, when you need them.
FAQ
What is the difference between Invar and Super Invar?
Super Invar (4J32) contains about 5% Cobalt in addition to Nickel, which gives it an even lower thermal expansion coefficient than standard Invar (4J36) at room temperature ranges.
Can 4J32 alloy be machined and welded?
Yes, but it requires specific techniques. It can be machined with carbide tools and welded using TIG or electron beam methods. We provide detailed machining guidelines with your order.
Do you offer custom sizes and shapes?
Absolutely. We specialize in providing custom-sized strips, coils, and blanks. Please specify your requirements in your quote request.
What certifications do you provide?
We provide Material Test Certificates (MTC) that certify the chemical composition and physical properties of the supplied material.