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Stellite8 Cobalt Alloy Plate – Durable Cobalt Based Alloys from China
The Stellite8 Cobalt Alloy Plate is a high-performance cobalt chromium alloy designed for exceptional wear and corrosion resistance. With a balanced cobalt alloy composition, it thrives in industries like aerospace, power generation, and oil and gas. This cobalt base alloy is ideal for applications requiring durability in harsh environments.
Price: Contact Us for a Custom Quote
For competitive pricing on Stellite8 Cobalt Alloy Plate, contact our sales team. We offer tailored pricing terms, including bulk discounts for Cobalt Based Alloys. Request a quote to discuss your requirements.
Specifications
- Thickness: 1 mm to 18 mm
- Width: Up to 2400 mm
- Length: Customizable, up to 6000 mm
- Surface Treatment: Polished, brushed, or mill finish
- Form: Plate, sheet, or coil
- Standards: ASTM, ASME, or custom specifications
Key Features (Advantages)
- Superior Wear Resistance: Excels in abrasive and erosive conditions.
- Excellent Corrosion Resistance: Withstands harsh chemical exposure.
- High-Temperature Stability: Performs reliably up to 900°C.
- Versatile Fabrication: Easily welded and formed for custom applications.
- Long-Lasting Durability: Reduces maintenance and replacement costs.
Applications of Stellite8 Cobalt Alloy Plate
The Stellite8 Cobalt Alloy Plate is valued for its robust cobalt alloy properties across various industries. Common applications include:
- Aerospace: Turbine blades and exhaust components.
- Power Generation: Valve seats and wear plates in high-temperature systems.
- Oil and Gas: Pump components and drilling equipment parts.
- Chemical Processing: Reactor linings and heat exchanger plates.
- Medical: Surgical tools and implants using cobalt chrome strength.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Cobalt (Co) | Balance |
| Chromium (Cr) | 26.0 - 30.0 |
| Tungsten (W) | 4.0 - 6.0 |
| Carbon (C) | 1.0 - 1.5 |
| Nickel (Ni) | ≤ 3.0 |
| Iron (Fe) | ≤ 3.0 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 860 MPa |
| Yield Strength | ≥ 660 MPa |
| Elongation | ≥ 10% |
| Hardness (HRC) | 38 - 44 |
Chemical Properties
The Stellite8 Cobalt Alloy Plate offers strong resistance to acids, alkalis, and oxidative environments, making it suitable for corrosive settings. It performs well against hydrochloric and sulfuric acids but may require coatings in concentrated alkaline solutions. Due to its cobalt content, cobalt alloy uses may be subject to environmental regulations in some regions. Check local compliance requirements.
Things to Note (Limitations)
While the Stellite8 Cobalt Alloy Plate is highly durable, note the following limitations:
- High-Temperature Brittleness: Prolonged exposure above 900°C may reduce ductility.
- Premium Cost: Higher cobalt alloy price compared to standard alloys.
- Machining Challenges: Requires specialized tools due to hardness.
Corrosion Data for Stellite8 Cobalt Alloy Plate
| Environment | Corrosion Resistance |
|---|---|
| Atmospheric (Urban) | Excellent |
| Mild Chemical (Dilute Acids) | Very Good |
| Seawater | Good |
| Concentrated Alkalis | Moderate (Coating Advised) |
Best Welding and Manufacturing Practices
The Stellite8 Cobalt Alloy Plate can be welded using TIG or MIG methods, with preheating to 200°C recommended to prevent cracking. Forming techniques like bending and cutting are achievable with appropriate equipment. For guidance on cobalt alloy composition, consult our technical team.
What Customers Say About
Frequently Asked Questions
Q: How does Stellite8 Cobalt Alloy Plate differ from other cobalt alloys?
A: The Stellite8 Cobalt Alloy Plate offers a balanced cobalt alloy composition with moderate tungsten content, providing excellent wear resistance and toughness compared to other cobalt based alloys.
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Q: Which industries use Stellite8?
A: Aerospace, power generation, and oil and gas industries benefit from its durable cobalt alloy properties.
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Q: Is it suitable for high-temperature environments?
A: Yes, up to 900°C, but extended exposure may affect ductility. Contact us for specific cobalt alloy uses.
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Q: How can I get a quote for Stellite8 Cobalt Alloy Plate?
A: Reach out to our sales team for customized pricing and specifications for Stellite products.
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Q: How does it compare to stainless steel?
A: The Stellite8 Cobalt Alloy Plate offers superior wear and corrosion resistance but at a higher cobalt alloy price.