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4j47 Iron Nickel Alloy Bar – Highest Quality Alloy Rod from China Manufacturer
The 4j47 Iron Nickel Alloy Bar is a precision-engineered material widely used in industrial applications due to its exceptional thermal and mechanical properties. This nickel-iron alloy is known for its excellent dimensional stability, low expansion coefficient, and high resistance to various environmental conditions. These characteristics make it an ideal choice for components in scientific instruments, aerospace systems, and electronic devices.
Price: Contact Us for a Custom Quote
Contact our sales team for a customized quote on 4J47 Iron Nickel Alloy Bar. Pricing depends on specifications and order volume.
Specifications
- Thickness: Available in custom dimensions as required
- Width: Precision-cut according to application needs
- Surface Finish: Smooth, polished, or as specified
- Standard Compliance: Adheres to industrial specifications and quality standards
Key Features (Advantages)
- Low thermal expansion coefficient (4–5 x 10⁻⁶/°C at 20–300°C)
- High dimensional stability across temperature ranges
- Good corrosion resistance in atmospheric conditions
- Excellent weldability and machinability
- Matches thermal expansion of certain ceramics and glass
Applications
The 4J47 Iron Nickel Alloy Bar is tailored for industries needing precision and stability:
- Electronics: Lead frames, glass-to-metal seals
- Aerospace: Precision components, sensors
- Telecommunications: Fiber optic components
- Scientific Instruments: Thermostats, optical supports
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 46.0–48.0 |
| Iron (Fe) | Balance (~51) |
| Carbon (C) | ≤0.05 |
| Silicon (Si) | ≤0.30 |
| Manganese (Mn) | ≤0.50 |
| Phosphorus (P) | ≤0.02 |
| Sulfur (S) | ≤0.02 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 450–550 MPa |
| Yield Strength | 200–300 MPa |
| Elongation | ≥25% |
| Hardness (HB) | 120–160 |
Chemical Properties
- Acid Resistance: Moderate resistance to dilute acids (e.g., sulfuric, hydrochloric) in non-oxidizing conditions.
- Alkali Resistance: Good resistance to alkalis like sodium hydroxide.
- Environmental Limitations: Limited resistance in oxidizing acids or high-chloride environments.
Things to Note (Limitations)
- Avoid prolonged exposure to extreme temperatures exceeding recommended operational ranges.
- Not recommended for applications involving exposure to strong acids or chlorine-based chemicals.
Corrosion Data for 4j47 Iron Nickel Alloy Bar
| Environment | Corrosion Resistance |
|---|---|
| Atmospheric (Air) | Excellent |
| Fresh Water | Good |
| Sea Water | Moderate |
| Dilute Acids | Moderate |
| Oxidizing Acids | Poor |
Contact us for detailed corrosion resistance data specific to your application.
Best Welding and Manufacturing Practices
The invar rod supports various welding methods:
- TIG (Tungsten Inert Gas) welding
- MIG (Metal Inert Gas) welding
- Laser welding for precision applications
It can be machined and cold-worked similarly to stainless steel. Preheating and post-weld annealing at 540–650°C enhance weld integrity.
What Customers Say About Our 4j47 Iron Bar
Frequently Asked Questions
Q: What sets the 4j47 Iron Nickel Alloy Bar apart from similar materials?
A: The alloy’s controlled thermal expansion properties and precise composition make it uniquely suited for critical applications.
Q: What industries commonly use this product?
A: Industries such as aerospace, electronics, and precision instruments widely utilize the 4j47 alloy.
Q: Does it resist corrosion in marine environments?
A: It is moderately resistant to corrosion but not suitable for prolonged exposure to marine environments.
Q:What are the available sizes?
A: Custom sizes can be manufactured to meet specific requirements.
Q: Can the alloy be welded easily?
A: Yes, it supports standard industrial welding techniques.