Get in touch with us
Leave a message
Stellite20 Cobalt Alloy Plate – High-Performance Cobalt Based Alloys from China
The Stellite20 Cobalt Alloy Plate is a high-performance cobalt chromium alloy renowned for its exceptional wear and corrosion resistance. Engineered for extreme conditions, this cobalt base alloy is ideal for industries like mining, oil and gas, and power generation. Its robust cobalt alloy composition ensures durability and reliability in demanding applications.
Price: Contact Us for a Custom Quote
For pricing details on Stellite20 Cobalt Alloy Plate, reach out to our sales team. We provide competitive pricing terms, including discounts for bulk orders of Cobalt Based Alloys. Request a quote to discuss your needs.
Specifications
- Thickness: 1 mm to 20 mm
- Width: Up to 2500 mm
- Length: Customizable, up to 6000 mm
- Surface Treatment: Polished, sandblasted, or mill finish
- Form: Plate, sheet, or coil
- Standards: ASTM, ASME, or client-specific requirements
Key Features (Advantages)
- Outstanding Wear Resistance: Excels in abrasive and erosive environments.
- Superior Corrosion Resistance: Resists harsh chemical exposure.
- High-Temperature Performance: Maintains integrity up to 900°C.
- Flexible Fabrication: Supports welding and forming for custom parts.
- Cost-Effective Durability: Long lifespan reduces replacement costs.
Applications of Stellite20 Cobalt Alloy Plate
The Stellite20 Cobalt Alloy Plate is a versatile material used in industries requiring robust cobalt alloy properties. Key applications include:
- Mining: Wear plates and crusher components.
- Oil and Gas: Valve components and pump liners.
- Power Generation: Turbine parts and boiler linings.
- Chemical Processing: Reactor vessels and heat exchanger plates.
- Marine: Components exposed to seawater, leveraging cobalt chrome durability.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Cobalt (Co) | Balance |
| Chromium (Cr) | 31.0 - 35.0 |
| Tungsten (W) | 16.0 - 18.0 |
| Carbon (C) | 2.2 - 2.8 |
| Nickel (Ni) | ≤ 2.0 |
| Iron (Fe) | ≤ 2.0 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 900 MPa |
| Yield Strength | ≥ 700 MPa |
| Elongation | ≥ 8% |
| Hardness (HRC) | 50 - 56 |
Chemical Properties
The Stellite20 Cobalt Alloy Plate exhibits excellent resistance to acids, alkalis, and oxidative environments, making it suitable for corrosive industrial settings. It performs well against nitric and phosphoric acids but may require protective coatings in concentrated alkaline solutions. Due to its cobalt content, cobalt alloy uses may be subject to environmental regulations in certain regions. Verify compliance with local standards.
Things to Note (Limitations)
While the Stellite20 Cobalt Alloy Plate is highly durable, note the following limitations:
- High-Temperature Constraints: Prolonged exposure above 900°C may cause embrittlement.
- Higher Cost: The cobalt alloy price is premium compared to standard alloys.
- Machining Difficulty: Its high hardness requires specialized tools.
Corrosion Data for Stellite20 Cobalt Alloy Plate
| Environment | Corrosion Resistance |
|---|---|
| Atmospheric (Industrial) | Excellent |
| Mild Chemical (Dilute Acids) | Excellent |
| Seawater | Very Good |
| Concentrated Alkalis | Moderate (Coating Advised) |
Best Welding and Manufacturing Practices
The Stellite20 Cobalt Alloy Plate can be welded using TIG or MIG methods, with preheating to 250°C recommended to avoid cracking. Forming techniques like cutting and bending are achievable with appropriate equipment. For detailed guidance on cobalt alloy composition, consult our technical team.
What Customers Say About
Frequently Asked Questions
Q: How does Stellite20 Cobalt Alloy Plate compare to other cobalt alloys?
A: The Stellite20 Cobalt Alloy Plate has a higher carbon and tungsten content, offering superior wear resistance compared to softer cobalt based alloys.
Â
Q: Which industries use Stellite20 most?
A: Mining, oil and gas, and power generation benefit from its robust cobalt alloy properties.
Â
Q: How challenging is welding Stellite20?
A: Welding is manageable with TIG or MIG, provided preheating is applied correctly.
Â
Q: How can I get a quote for Stellite20 Cobalt Alloy Plate?
A: Reach out to our sales team for customized pricing and specifications for Stellite.
Â
Q: How does it compare to stainless steel?
A: The Stellite20 Cobalt Alloy Plate offers better wear and corrosion resistance but at a higher cobalt alloy price.