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GH5188 Cobalt Alloy Rod – Premium Quality from China
The GH5188 Cobalt Alloy Rod, a high-performance cobalt based alloy, is engineered for extreme conditions. Known for its excellent cobalt alloy properties, this round bar offers superior high-temperature strength, oxidation resistance, and durability. Produced by our trusted China factory, it is ideal for demanding applications in aerospace, gas turbines, and industrial furnaces.
Price: Contact Us for a Custom Quote
For competitive pricing on GH5188 Cobalt Alloy Rod, reach out to our sales team for a tailored quote. Pricing terms are flexible based on order specifications and volume. Contact our China-based enterprise to discuss your requirements.
Specifications
- Diameter: 5mm to 200mm
- Length: Up to 6 meters or customized
- Surface Treatment: Polished, ground, or peeled
- Standards: AMS 5608, ASTM F1537, or customized specifications
- Form: Round bar, forged or hot-rolled
- Tolerance: ±0.05mm to ±0.5mm, depending on diameter
Key Features (Advantages)
- High-Temperature Strength: Maintains integrity up to 1100°C, perfect for extreme heat environments.
- Oxidation Resistance: Exceptional resistance to oxidation and scaling in high-temperature settings.
- Corrosion Resistance: Withstands harsh chemical environments, enhancing longevity.
- Fatigue Resistance: Ideal for cyclic loading applications due to its robust cobalt alloy composition.
- Customizable: Available in various diameters and lengths to suit project needs.
Applications of GH5188 Cobalt Alloy Rod
The GH5188 Cobalt Alloy Rod is widely used in industries requiring high-performance cobalt alloy uses, including:
- Aerospace: Gas turbine blades, combustor cans, and afterburner components.
- Power Generation: Turbine exhaust systems and high-temperature fasteners.
- Industrial Furnaces: Burner components and heat shields.
- Chemical Processing: Equipment exposed to corrosive gases.
- Marine: High-strength components in saline environments.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Cobalt (Co) | 39-41% |
| Nickel (Ni) | 20-24% |
| Chromium (Cr) | 20-24% |
| Tungsten (W) | 13-15% |
| Lanthanum (La) | 0.03-0.15% |
| Carbon (C) | 0.05-0.15% |
| Others (Fe, Si, Mn) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 900-1100 MPa |
| Yield Strength | 550-700 MPa |
| Elongation | 20-30% |
| Hardness (HRC) | 30-40 |
Chemical Properties
The GH5188 Cobalt Alloy Rod exhibits excellent resistance to acids (e.g., sulfuric and nitric) and alkalis, making it suitable for chemical processing. Its chromium cobalt nickel alloy composition ensures stability in corrosive gases. Environmental compliance is met, but recycling is recommended due to cobalt and nickel content to adhere to regulations.
Things to Note (Limitations)
While highly versatile, the GH5188 Cobalt Alloy Rod has some limitations:
- Extreme Temperatures: Performance may degrade above 1100°C in highly oxidizing conditions.
- Cost: Higher cobalt alloy price compared to standard alloys due to premium materials.
- Machining Challenges: Requires specialized tools due to high hardness.
Corrosion Data for GH5188 Cobalt Alloy Rod
| Environment | Corrosion Rate (mm/year) |
|---|---|
| Atmospheric (Urban) | <0.01 |
| Seawater | 0.01-0.02 |
| 10% Sulfuric Acid | 0.03-0.08 |
| 10% Nitric Acid | 0.02-0.05 |
Best Welding and Manufacturing Practices
Recommended welding methods for GH5188 Cobalt Alloy Rod include:
- TIG Welding: Preferred for precision and minimal distortion.
- Gas Metal Arc Welding (GMAW): Suitable for larger components.
- Electron Beam Welding: Ideal for high-strength joints in aerospace applications.
Fabrication involves hot forging or rolling for shaping. Machining requires diamond or carbide tools due to the alloy’s hardness. Post-weld heat treatment may be necessary to relieve stresses.
What Customers Say About
Frequently Asked Questions
Q: How does GH5188 differ from Stellite alloys?
A: Unlike Stellite, GH5188 contains lanthanum for enhanced oxidation resistance, making it better suited for high-temperature aerospace applications.
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Q: What are its primary applications?
A: It’s used in aerospace, power generation, and industrial furnaces due to its robust cobalt alloy properties.
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Q:Can it withstand extreme heat?
A: Yes, up to 1100°C, but prolonged exposure to oxidizing environments may require protective coatings.
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Q: What welding methods are recommended?
A: TIG and electron beam welding ensure high-quality joints.
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Q: Is it environmentally compliant?
A: Yes, but recycling is advised to manage cobalt and nickel content responsibly.