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4j36 Iron Nickel Alloy Bar – Premium Iron Nickel Alloy Bar From a Leading China Manufacturer
The 4j36 Iron Nickel Alloy Bar, also known as Invar 36 or FeNi36, is a low-expansion nickel-iron alloy renowned for its minimal thermal expansion across a wide temperature range. This invar bar, composed primarily of 36% nickel and 64% iron, is ideal for precision engineering applications requiring dimensional stability, such as aerospace, electronics, and scientific instruments. Its unique properties make it a top choice for industries needing reliable performance under varying thermal conditions.
Price: Contact Us for a Custom Quote
For pricing inquiries and quotes on the 4j36 Iron Nickel Alloy Bar, please contact us directly. Pricing terms are customized based on quantities, material specifications, and shipping preferences.The cost of the 1J50 Iron Nickel Alloy Rod varies based on dimensions, quantity, and customization needs. For a tailored quote, please contact us directly. Competitive pricing ensures value for industries requiring high-performance materials. Reach out today!
Specifications
- Material Grade: 4j36
- Thickness: 2 mm to 50 mm
- Width: Customizable
- Length: Up to 6000 mm
- Surface Treatment: Polished, ground, or milled
- Standard Compliance: ASTM F1684, ISO 6208
Key Features (Advantages)
- Low coefficient of thermal expansion, ensuring precision in varying temperatures
- Outstanding mechanical stability and strength
- High resistance to corrosion, making it suitable for various environments
- Excellent machinability and weldability, enhancing versatility
Applications
The 4j36 Iron Nickel Alloy Bar is widely used in the following industries and applications:
- Aerospace engineering for precision components
- Scientific instruments where minimal thermal expansion is critical
- Construction of medical devices and cryogenic equipment
- Electronics industry for shadow masks and CRT components
Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 35.0 - 37.0 |
| Iron (Fe) | Balance (Remaining) |
| Carbon (C) | ≤ 0.05 |
| Manganese (Mn) | ≤ 0.60 |
| Silicon (Si) | ≤ 0.30 |
| Sulfur (S) | ≤ 0.02 |
| Phosphorus (P) | ≤ 0.02 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 490 MPa |
| Yield Strength | ≥ 240 MPa |
| Elongation | ≥ 35% |
| Hardness (Brinell) | 130 - 160 HB |
| Density | 8.13 g/cm³ |
Chemical Properties
- Resistance to Acids: Moderate resistance to dilute acids; not suitable for highly acidic environments.
- Resistance to Alkalis: Good resistance to alkalis, particularly in controlled settings.
- Environmental Restrictions: Avoid prolonged exposure to humid or saline environments to prevent rust. Store in cool, dry conditions to maintain properties.
Things to Note (Limitations)
- Avoid prolonged use at temperatures above 400°C, where thermal expansion control may degrade.
- While corrosion-resistant, it should not be exposed to highly acidic environments for extended periods.
- Proper handling and fabrication methods must be employed to avoid work hardening.
Corrosion Data for 4j36 Iron Nickel Alloy Bar
| Environment | Corrosion Rate (mm/year) |
|---|---|
| Neutral Atmosphere | Negligible |
| Mild Sea Water | < 0.05 |
| Weak Acid (pH 5) | 0.01 – 0.02 |
| Strong Acid (pH 2) | Not Recommended |
Contact us for detailed corrosion resistance data specific to your application.
Best Welding and Manufacturing Practices
4j36 Iron Nickel Alloy Bar can be easily welded using TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas) welding methods. Standard precautions should be followed for thermal expansion control during welding. Additionally, the alloy offers exceptional performance during forming, milling, and machining processes.
What Customers Say About Our 4j36 Iron Bar
Frequently Asked Questions
Q: What makes 4j36 Iron Nickel Alloy unique?
A: It offers a low coefficient of thermal expansion, making it ideal for precision applications in varying temperatures.
Q: How does it compare to other nickel-iron alloys?
A: 4j36 features a superior thermal expansion control and remains stable over a wide range of temperatures.
Q: What industries benefit from using this alloy?
A: Aerospace, electronics, scientific instrumentation, and cryogenic systems widely use this material.Â
Q: Is it corrosion-resistant?
A: Yes, it is resistant to mild acids and alkalines but should be avoided in strong oxidizing acids.
Q: Can it be customized to specific dimensions?
A: Absolutely, we offer a variety of dimensions to meet your project requirements.