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4j36 Iron Nickel Alloy Sheet – Premium Iron Nickel Alloy from a Leading China Manufacturer
The 4j36 Iron Nickel Alloy Sheet, also known as the invar plate, is a precision alloy known for its excellent thermal expansion properties. With a high nickel content and remarkable stability, it is widely utilized in industries requiring materials with minimal dimensional changes under thermal variations. Its primary applications include aerospace, precision instruments, and industrial equipment.
Price: Contact Us for a Custom Quote
To obtain a quote for the 4j36 Iron Nickel Alloy Sheet, please contact the manufacturer or distributor directly. Pricing terms depend on the required specifications, including dimensions, surface treatment, and quantity.
Specifications of 4j36 Iron Nickel Alloy Sheet
- Thickness: 0.1mm – 50mm
- Width: Up to 1000mm
- Surface Treatment: Polished, pickled, or custom treatments available.
- Length: Customizable based on requirements.
Features (Advantages)
- Low thermal expansion coefficient.
- Superior dimensional stability under temperature fluctuations.
- High strength and durability.
- Excellent resistance to corrosion and wear.
Applications
The 4j36 Iron Nickel Alloy Sheet is suitable for a variety of specialized uses, including:
- Aerospace components where precision is vital.
- Manufacturing of precision instruments such as clocks and optical devices.
- Industrial tooling and equipment exposed to temperature changes.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 35.0-37.0 |
| lron (Fe) | Balance |
| Manganese (Mn) | ≤0.6 |
| Silicon (Si) | ≤0.3 |
| Carbon (C) | ≤0.05 |
| Phosphorus (P) | ≤0.02 |
| Sulfur (s) | ≤0.02 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 450-550 MPa |
| Yield Strength | 250-350 MPa |
| Elongation | ≥30% |
| Hardness (HB) | 130-180 |
| Modulus of Elasticity | 140 GPa |
Chemical Properties
- Acid Resistance: Moderate resistance to dilute acids (e.g., sulfuric, hydrochloric).
- Alkali Resistance: Good resistance to alkalis like sodium hydroxide.
- Environmental Restrictions: Avoid prolonged exposure to highly acidic or saline environments to prevent pitting.
Things to Note (Limitations)
- High Temperatures: Performance may degrade above 400°C due to increased thermal expansion.
- Corrosive Environments: Not suitable for highly acidic or marine settings without protective coatings.
- Magnetism: Slightly magnetic, which may affect sensitive electronic applications.
Corrosion Data
| Environment | Corrosion Rate (mm/year) |
|---|---|
| Atmospheric (Rural) | <0.01 |
| Atmospheric (Industrial) | 0.01-0.03 |
| Mild Chemical (pH 5-9) | 0.02-0.05 |
| Seawater | 0.1-0.3 (coating advised) |
Contact us for detailed corrosion resistance data specific to your application.
Welding and Fabrication Tips
- Welding Methods: TIG, MIG, and resistance welding are recommended for nickel iron alloy.
- Forming: Easily formed via cold working; annealing may be required for complex shapes.
- Machining: Use carbide tools for precision cutting; lubricate to reduce wear.
- Heat Treatment: Anneal at 850–900°C for stress relief.
Customer Reviews
Frequently Asked Questions
Q: What makes the 4j36 Iron Nickel Alloy Sheet different from similar materials?
A: Its outstanding low thermal expansion coefficient and excellent strength-to-weight ratio set it apart.
Q: Is the product suitable for use in cryogenic environments?
A: Yes, the 4j36 Iron Nickel Alloy Sheet is highly effective in cryogenic applications, ensuring stable performance.
Q: What is the difference between 4j36 and other iron-nickel alloys?
A: 4j36 is specifically designed for its low thermal expansion properties, making it suitable for precision applications.
Q: Is 4j36 alloy resistant to high temperatures?
A: While it can resist moderate temperature fluctuations, extreme temperatures may affect its properties.
Q: Can it be easily customized in size and surface treatment?
A: Yes, the 4j36 Iron Nickel Alloy Sheet can be tailored to meet specific dimensional and surface requirements.