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4J33 Iron Nickel Alloy Rod – Precision from a China Manufacturer
The 4J33 Iron Nickel Alloy Rod is a high-performance invar alloy (similar to Invar 36) renowned for its low thermal expansion and stability across a wide temperature range. Produced by expert factories in China, this iron-nickel alloy is perfect for applications requiring dimensional precision. Whether you need 4J33 Invar Rod, 4J33 Invar Bar, or 4J33 Invar 36 Round Bar, it delivers reliable performance in critical industries.
Price: Contact Us for a Custom Quote
Interested in the 4J33 Iron Nickel Alloy Rod price? Pricing depends on diameter, length, and order volume. Contact our team for a custom quote. As a leading manufacturer in China, we offer competitive rates on 4J33 Nickel Iron Alloy Rods to suit your precision needs.
Specifications of 4J33 Iron Nickel Alloy Rod
Our 4J33 Nickel Iron Alloy Rod comes in various forms:
- Diameter: 5mm to 200mm (custom sizes available)
- Length: Up to 6 meters or cut-to-length options
- Surface Finish: Polished, turned, or mill finish
- Standards: GB/T 14985, ASTM F1684
- Forms: Rod, barÂ
Need specific Iron Nickel Alloy Bar specs? Our China factory offers tailored solutions!
Features (Advantages)
- Low Thermal Expansion: Minimal size change from -60°C to 100°C.
- High Stability: Reliable for precision instruments.
- Corrosion Resistance: Good in mild environments.
- Durability: Long-lasting as 4J33 Invar Bar.
- Versatility: Suits 4J33 Invar 36 Round Bar in various uses.
- Quality Assurance: From trusted 4J33 Nickel Iron Alloy suppliers in China.
Applications
The 4J33 Alloy Rod serves precision-driven industries:
- Aerospace: Components requiring thermal stability.
- Electronics: Thermostat rods and precision instruments.
- Optics: Frames and mounts for lenses and mirrors.
- Scientific Instruments: Parts like Alloy Rod for lab equipment.
- Telecommunications: Stable supports in temperature-sensitive devices.
From aerospace to optics, its uses are specialized and critical.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | 32.0–33.5 |
| Iron (Fe) | Balance |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.2 |
| Carbon (C) | ≤ 0.05 |
| Phosphorus (P) | ≤ 0.02 |
| Sulfur (S) | ≤ 0.02 |
| Cobalt (Co) | ≤ 0.5 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 450–600 MPa |
| Yield Strength (0.2%) | ≥ 280 MPa |
| Elongation | ≥ 30% |
| Hardness (Brinell) | 130–160 HB |
| Density | 8.1 g/cm³ |
Chemical Properties
The 4J33 Alloy Bar resists:
- Acids: Moderate against mild acids; poor with strong acids like sulfuric.
- Alkalis: Good resistance to bases like sodium hydroxide in mild conditions.
- Limitations: Limited resistance in wet or highly corrosive environments.
Things to Note (Limitations)
The 4J33 Nickel Iron Alloy has constraints:
- Corrosion: Less resistant than stainless steel in humid or acidic conditions.
- High Temperatures: Thermal expansion increases above 100°C.
- Strength: Lower than high-strength alloys for load-bearing uses.
Our China distributor can recommend alternatives if needed.
Corrosion Data
| Environment | Corrosion Resistance | Notes |
|---|---|---|
| Atmospheric (Dry) | Good | Resists rust in dry, non-humid conditions. |
| Atmospheric (Humid) | Moderate | Susceptible to rust with prolonged moisture. |
| Saltwater (Marine) | Fair | Prone to pitting and corrosion in saline environments. |
| Mild Acids (e.g., Acetic) | Moderate | Handles dilute acids; poor with strong acids. |
| Alkaline Solutions | Good | Resists bases like sodium hydroxide in mild conditions. |
Contact us for detailed corrosion resistance data specific to your application.
Welding and Fabrication Tips
Welding 4J33 Iron Nickel Alloy Round Bar requires care:
- TIG Welding: Best for precision on 4J33 Invar Rod.
- Resistance Welding: Suitable for joining 4J33 Invar Bar.
Tips:
- Use nickel-based fillers (e.g., ERNiFeCr-1) for compatibility.
- Weld with low heat to maintain low expansion properties.
- Machining is straightforward with sharp tools for the 4J33 Alloy Bar.
Our China factory offers pre-machined 4J33 Alloy Bar options.
Customer Reviews
Frequently Asked Questions
Q: How does 4J33 Iron Nickel Alloy compare to Invar 36?
A: The 4J33 Iron Nickel Alloy is nearly identical to Invar 36, offering similar low thermal expansion with slight composition tweaks.
Q: Can 4J33 Nickel Iron Alloy Bar be customized?
A: Yes, our 4J33 Alloy Bar comes in diameters up to 200mm, with custom lengths – ask our China factory!
Q: Is 4J33 Round Bar suitable for outdoor use?
A: 4J33 Round Bar performs best in dry, controlled environments due to moderate corrosion resistance.
Q: Can 4J33 Alloy Rod be used in precision instruments?
A: Yes, 4J33 Alloy Rod is ideal for precision instruments due to its low thermal expansion and dimensional stability. It’s a perfect fit for 4J33 Round Bar in such applications – reach out to our China manufacturer for more details!
Q: What’s the lead time for 4J33 Iron Nickel Alloy Bar from China?
A: Lead times for Iron Nickel Alloy Bar vary, but our China factory ensures fast delivery – contact us for details!