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1J77 Iron Nickel Alloy Rod | Leading Factory Manufacturer in China
The 1J77 Iron Nickel Alloy Rod is a high-performance, precision alloy known for its exceptional magnetic properties, high mechanical strength, and corrosion resistance. Perfect for applications requiring low thermal expansion and high magnetic permeability, this rod is a must-have for industries like electronics, aerospace, and precision instruments.
Price: Contact Us for a Custom Quote
Request a tailored quote for the 1J77 Iron Nickel Alloy Rod. Flexible pricing options are available, including FOB, CIF, and EXW terms. Minimum order starts at 1 Ton, with competitive rates and customization options to meet your needs.
Specifications of 1J77 Iron Nickel Alloy Rod
- Diameter Range: 5 mm – 100 mm
- Length: Up to 6 meters (customizable)
- Surface Finish: Polished, brushed, or mill finish
- Tolerance: ±0.05 mm (diameter), ±1 mm (length)
- Standards: ASTM, GB/T
Key Features (Advantages)
- Exceptional Magnetic Stability: The 1J77 Iron Nickel Alloy Rod provides consistent magnetic properties, making it ideal for precision instruments and electromagnetic applications.
- High Corrosion Resistance: Designed for durability, this alloy offers excellent resistance to humidity and mild chemical environments, ensuring long-lasting performance.
- Low Thermal Expansion: This rod minimizes expansion under varying temperatures, making it a reliable choice for aerospace, metrology, and high-precision products.
- Ease of Processing: Suitable for welding, hot forming, and cold forming, the 1J77 Rod ensures flexible manufacturing to meet diverse industrial requirements.
Applications
The 1J77 Iron Nickel Alloy Rod is indispensable in various sectors, including but not limited to:
- Electronics Industry: Magnetic shielding, transformer laminations, sensors.
- Aerospace: Use in precision instruments and equipment requiring low thermal expansion.
- Automotive: Enhancing the efficiency of control systems.
- Precision Engineering: High-accuracy tools and devices.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 77.0 - 78.0 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 3.9 - 4.5 |
| Copper (Cu) | 4.8 - 6.0 |
| Carbon (C) | ≤ 0.03 |
| Silicon (Si) | 0.15 - 0.30 |
| Manganese (Mn) | 0.3 - 0.6 |
| Phosphorus (P), Sulfur (S) | ≤ 0.02 each |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | 980 MPa |
| Tensile Strength | 980 MPa |
| Elongation | 2% - 40% |
Chemical Properties
- Acid Resistance: Performs well in weak acidic environments.
- Base Resistance: Suited for handling mild alkali exposure.
- Environmental Constraints: Not recommended for highly acidic or chloride-heavy atmospheres.
Things to Note (Limitations)
- Temperature Sensitivity: Avoid prolonged exposure above 400°C, as magnetic properties may degrade.
- Corrosive Environments: Not suitable for highly acidic or marine environments without protective coatings.
- Mechanical Stress: Excessive cold working may reduce magnetic performance.
Corrosion Data for 1J77 Iron Nickel Alloy Bar
| Environment | Test Conditions | Corrosion Rate (mm/year) | Observations |
|---|---|---|---|
| Atmospheric (Urban) | 1-year exposure, 25°C, 60% RH | 0.002 | Minimal surface tarnishing, no pitting |
| Neutral Salt Spray | 500 hours, 5% NaCl, 35°C | 0.005 | Slight surface discoloration, no significant pitting |
| Dilute Sulfuric Acid | 5% H₂SO₄, 24 hours, 20°C | 0.015 | Moderate surface etching, suitable for short-term exposure |
| Alkaline Solution | 5% NaOH, 24 hours, 20°C | 0.003 | Excellent resistance, no visible degradation |
| Marine Environment | 6-month exposure, coastal, 25°C | 0.025 | Noticeable pitting, protective coating recommended |
Contact us for detailed corrosion resistance data specific to your application.
Best Welding and Manufacturing Practices
- Welding Recommendations: Use Tungsten Inert Gas (TIG) welding for precision and minimal defects. Preheat the rod to reduce thermal stress during welding. Select an appropriate nickel-based filler material for compatibility.
- Heat Treatment: Anneal the rod at temperatures ranging from 1100°C to 1150°C. Maintain the temperature for 3 to 6 hours, followed by controlled cooling. This process enhances mechanical strength and reduces residual stress.
- Forming Guidelines
- Cold Forming: Ideal for manufacturing since the rod has excellent ductility with minimal cracking risks.
- Hot Forming: Heat the rod to 800°C to 1000°C for easier shaping, ensuring smooth finishes and reduced brittleness.
- Machining Tips
For precision machining, use tools suited for nickel-iron alloys to avoid excessive wear. Employ proper cutting speeds and cooling techniques to maintain accuracy and surface integrity. - Surface Treatment
After forming or welding, polish or pickle the surface if required. This enhances corrosion resistance and gives the rod a finished appearance.
By adhering to these practices, you can maximize the performance and longevity of the 1J77 Iron Nickel Alloy Rod in industrial applications.
What Customers Say About Our 1J77 Iron Rod
Frequently Asked Questions
Q: What are the main uses of the 1J77 Iron Nickel Alloy Rod?
A: The 1J77 Iron Nickel Alloy Rod is widely used in applications requiring exceptional magnetic stability. It’s commonly found in the manufacture of precision instruments, transformers, and sensors. Many customers also choose alternatives like Iron Nickel Alloy Bar for specific industrial needs.
Q: How does the 1J77 invar rod differ from other alloy rods?
A: The 1J77 invar rod is a highly specialized alloy designed for minimal thermal expansion, making it ideal for aerospace and metrology applications. Unlike generic bars, such as the Iron Nickel Alloy Bar, the invar rod offers unrivaled dimensional stability under temperature changes.
Q: Can the 1J77 invar bar be used in extreme environmental conditions?
A: Yes, the 1J77 invar bar is highly resistant to temperature-induced expansion and mild chemical corrosion, making it suitable for challenging environments. However, like all alloys, its performance may decline in highly acidic or alkaline settings.
Q: What distinguishes the 1J77 Iron Nickel Alloy Bar's corrosion resistance?
A: The 1J77 Iron Nickel Alloy Bar offers excellent corrosion resistance in mildly aggressive environments, such as high-humidity areas. Its chemical structure ensures durability, similar to the invar rod, while maintaining magnetic properties.
Q: Is the 1J77 invar rod suitable for welding?
A: Yes, the 1J77 invar rod can be effectively welded using methods like Tungsten Inert Gas (TIG) welding. Preheating helps minimize thermal stress. For larger projects, it’s important to consult guidelines applicable to both the rod and an Iron Nickel Alloy Bar.
Q: What industries benefit most from using the 1J77 invar rod?
A: Industries like aerospace, precision engineering, and electronics frequently use the 1J77 Invar bar for its stability and strength. Its minimal expansion under heat makes it ideal for precision tools, much like its counterpart, the Iron Nickel Alloy Rod, in magnetic shielding applications.