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Stellite1 Cobalt Alloy Bar – Top Quality Cobalt Alloy Bar China Manufacturer
Stellite1 Cobalt Alloy Bar, a cobalt-based alloy, is renowned for exceptional wear and corrosion resistance. Perfect for demanding applications in industrial, aerospace, and energy sectors, this cobalt chromium alloy ensures durability in harsh conditions.
Price: Contact Us for a Custom Quote
Contact our sales team for pricing details on Stellite1 Cobalt Alloy Bar. Flexible terms for bulk and custom orders.
Specifications
- Diameter: 5–150 mm
- Length: Up to 3000 mm
- Surface Treatment: Polished, ground, or hot-rolled
- Tolerance: ±0.05 mm
- Standards: ASTM B574, AMS 5894
Key Features (Advantages)
- Outstanding wear resistance
- High corrosion resistance in aggressive environments
- Retains hardness at elevated temperatures
- Excellent cavitation and erosion resistance
- Suitable for hardfacing applications
Applications of Stellite1 Cobalt Alloy Bar
Stellite1 Cobalt Alloy Bar is widely used across industries requiring robust materials:
- Industrial: Pump components, valve seats
- Aerospace: Turbine blades, exhaust components
- Energy: Boiler parts, wear-resistant linings
- Marine: Propeller shafts, bearings
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Cobalt (Co) | Balance |
| Chromium (Cr) | 28.0–32.0 |
| Tungsten (W) | 11.0–13.0 |
| Carbon (C) | 2.0–2.7 |
| Nickel (Ni) | 0.0–3.0 |
| Iron (Fe) | 0.0–3.0 |
| Others | ≤1.0 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 700–900 MPa |
| Yield Strength | 500–600 MPa |
| Elongation | 1–3% |
| Hardness | 50–58 HRC |
Chemical Properties
The cobalt chrome alloy in Stellite1 Cobalt Alloy Bar resists acids like nitric and sulfuric, and alkalis. It meets environmental standards but requires careful handling due to high carbon content, which may pose recycling challenges.
Things to Note (Limitations)
- Limited ductility due to high hardness
- Not suitable for extreme cryogenic temperatures
- Higher cobalt alloy price compared to standard alloys
Corrosion Data for Stellite1 Cobalt Alloy Bar
| Environment | Corrosion Resistance |
|---|---|
| Atmospheric | Excellent |
| Mild Acids | Very Good |
| Seawater | Good |
| Alkaline Solutions | Excellent |
Best Welding and Manufacturing Practices
Stellite1 Cobalt Alloy Bar supports welding via plasma arc or TIG with low heat input to minimize cracking. Hardfacing and machining with diamond tools are recommended for precision shaping.
What Customers Say About
Frequently Asked Questions
Q: What is the primary difference between Stellite1 and stainless steel?
A: Stellite1 offers higher hardness and superior wear resistance compared to stainless steel.
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Q: Is this material suitable for food-grade applications?
A: No, Stellite1 is not designed for food-grade conditions due to its high carbide content and specific use in heavy industries.
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Q:What’s the difference between Stellite1 and other cobalt alloys?
A: Stellite1 specifically offers higher wear resistance due to its optimized composition, making it suitable for severe environments.
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Q: Can it be welded easily?
A: Yes, with proper techniques such as TIG or MIG welding and preheating, Stellite1 can be fabricated effectively.
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Q: How does it compare to nickel-based alloys?
A: While nickel alloys excel in more corrosive environments, Stellite1 outperforms in wear resistance and high-temperature stability.