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GH5188 Cobalt Alloy Tube – High Performance Cobalt Based Alloy from China
The GH5188 Cobalt Alloy Tube, a premium cobalt-based alloy, is engineered for exceptional performance in extreme environments. Known for its high-temperature strength and corrosion resistance, this cobalt alloy pipe is ideal for demanding applications in aerospace, power generation, and chemical processing. Its robust cobalt alloy composition ensures durability and reliability, making it a preferred choice for industries requiring resilient materials.
Price: Contact Us for a Custom Quote
For detailed pricing on the GH5188 Cobalt Alloy Tube, please contact our sales team to request a customized quote. Pricing terms are tailored based on order volume, specifications, and delivery requirements. Reach out today to discuss your needs for this high-performance cobalt alloy tube.
Specifications
The GH5188 Cobalt Alloy Tube is available in a range of dimensions and finishes to meet diverse industrial needs. Below are the standard specifications:
- Outer Diameter: 6 mm to 219 mm
- Wall Thickness: 0.5 mm to 20 mm
- Length: Up to 12 meters (customizable)
- Surface Treatment: Annealed, pickled, or polished
- Standards: ASTM B622, ASME SB622
Key Features (Advantages)
The GH5188 Cobalt Alloy Tube offers distinct advantages, making it a standout in the realm of cobalt-based alloys:
- High-Temperature Resistance: Maintains structural integrity at temperatures exceeding 1000°C.
- Superior Corrosion Resistance: Resists oxidation and chemical degradation in harsh environments.
- Excellent Mechanical Strength: Provides robust tensile and yield strength for demanding applications.
- Versatile Fabrication: Easily welded and formed into complex shapes.
- Long Service Life: Reduces maintenance costs due to its durability.
Applications of GH5188 Cobalt Alloy Tube
The GH5188 Cobalt Alloy Tube is widely used across various industries due to its exceptional cobalt alloy properties. Common applications include:
- Aerospace: Turbine blades, exhaust systems, and combustion chambers.
- Power Generation: Gas turbine components and heat exchangers.
- Chemical Processing: Piping for corrosive fluids and reactor vessels.
- Petrochemical: High-temperature pipelines and refining equipment.
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Cobalt (Co) | Balance |
| Chromium (Cr) | 20.0 - 24.0 |
| Nickel (Ni) | 20.0 - 24.0 |
| Tungsten (W) | 13.0 - 16.0 |
| Iron (Fe) | ≤ 3.0 |
| Carbon (C) | 0.05 - 0.15 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 860 MPa |
| Yield Strength (0.2% Offset) | ≥ 415 MPa |
| Elongation | ≥ 30% |
| Hardness (Brinell) | 200 - 240 HB |
Chemical Properties
The GH5188 Cobalt Alloy Tube demonstrates excellent resistance to chemical degradation, making it suitable for corrosive environments:
- Acid Resistance: Highly resistant to sulfuric and hydrochloric acids at moderate concentrations.
- Alkali Resistance: Withstands exposure to sodium hydroxide and other alkaline solutions.
- Environmental Restrictions: Complies with RoHS and REACH regulations, ensuring minimal environmental impact.
Things to Note (Limitations)
While the GH5188 Cobalt Alloy Tube is highly versatile, certain limitations should be noted:
- High-Temperature Creep: Prolonged exposure above 1100°C may lead to creep deformation.
- Cost: Higher material costs compared to standard stainless steel due to its cobalt base alloy composition.
- Brittleness in Specific Conditions: May exhibit reduced ductility in sulfur-rich environments.
Corrosion Data for GH5188 Cobalt Alloy Tube
| Environment | Corrosion Rate (mm/year) |
|---|---|
| Atmospheric (Rural) | < 0.01 |
| Seawater | 0.02 - 0.05 |
| 10% Sulfuric Acid (25°C) | 0.10 - 0.20 |
Best Welding and Manufacturing Practices
The GH5188 Cobalt Alloy Tube supports various welding and fabrication methods, ensuring flexibility in manufacturing:
- Welding Methods: TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and plasma arc welding are recommended.
- Forming: Can be cold or hot formed using standard techniques, with annealing recommended post-forming.
- Machining: Use carbide tools and low cutting speeds to avoid work hardening.
What Customers Say About
Frequently Asked Questions
Q: How does the GH5188 Cobalt Alloy Tube compare to Stellite?
A: While both are cobalt-based alloys, the GH5188 Cobalt Alloy Tube offers superior high-temperature strength, whereas Stellite is often preferred for wear-resistant coatings.
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Q: What industries benefit most from this cobalt alloy tube?
A: Aerospace, power generation, and chemical processing industries benefit significantly due to its cobalt alloy properties.
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Q: Can the GH5188 Cobalt Alloy Tube be welded easily?
A: Yes, it supports TIG and MIG welding with proper preparation, as outlined in the welding section.
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Q: Is the GH5188 Cobalt Alloy Tube environmentally compliant?
A: Yes, it adheres to RoHS and REACH standards, ensuring minimal environmental impact.
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Q: What factors affect the cobalt alloy price?
A: Pricing depends on dimensions, order volume, and market fluctuations in raw material costs.