Stellite 6 Cobalt Alloy Tube – High Performance Solution from China Manufacturer

Stellite 6 Cobalt Alloy Tube, offered by our trusted China manufacturer, is a premium chromium cobalt nickel alloy designed for extreme durability and performance. Renowned for its exceptional wear resistance and strength, this cobalt alloy steel is ideal for demanding environments in aerospace, medical, and industrial sectors. Its unique cobalt alloy composition ensures reliability in high-temperature and corrosive conditions, making it a top choice for professionals seeking robust solutions.

Price: Contact Us for a Custom Quote

For competitive pricing on Stellite 6 Cobalt Alloy Tubes, contact our sales team for a personalized quote. Pricing terms depend on order volume, specifications, and delivery requirements. Reach out to our China-based enterprise to discuss your needs and explore cobalt alloy price options tailored to your project.

Specifications

Outer Diameter: 6 mm to 250 mm
Wall Thickness: 0.5 mm to 25 mm
Length: Up to 6 meters (custom lengths available)
Surface Treatment: Polished, annealed, or pickled
Standards: ASTM B622, ASME SB622
Tolerance: ±0.1 mm for diameter, ±0.05 mm for thickness

Key Features (Advantages)

Superior Wear Resistance: Outperforms standard alloys in abrasive environments.
High Corrosion Resistance: Withstands harsh chemicals and acids.
High-Temperature Stability: Maintains strength up to 1000°C.
Versatile Cobalt Alloy Uses: Suitable for multiple industries.
Precision Manufacturing: Ensures consistent quality from our China factory.

Applications of Stellite6 Cobalt Alloy Tube

Stellite 6 Cobalt Alloy Tube is widely used across industries due to its robust cobalt alloy properties. Key applications include:

Aerospace: Turbine blades, exhaust systems, and fuel nozzles.
Medical: Surgical instruments and implants requiring biocompatibility.
Oil & Gas: Valves, pumps, and pipelines in corrosive environments.
Industrial: Wear-resistant components in chemical processing plants.

Chemical Composition

Element	Percentage (%)
Cobalt (Co)	Balance (approx. 60%)
Chromium (Cr)	28-32%
Tungsten (W)	4-6%
Nickel (Ni)	0-3%
Carbon (C)	0.9-1.4%
Others (Fe, Si, Mn)	≤3%

Mechanical Properties

Property	Value
Tensile Strength	900-1100 MPa
Yield Strength	600-800 MPa
Elongation	10-20%
Hardness (HRC)	36-45

Chemical Properties

The cobalt alloy properties of Stellite 6 Cobalt Alloy Tube include excellent resistance to acids (e.g., sulfuric and hydrochloric) and alkalis, making it ideal for harsh chemical environments. However, prolonged exposure to highly oxidizing acids like nitric acid may require additional coatings. This alloy complies with environmental regulations, but recycling is recommended to minimize cobalt-related environmental impact.

Things to Note (Limitations)

While Stellite 6 Cobalt Alloy Tube excels in many conditions, consider the following limitations:

High Temperatures: Above 1000°C, strength may decrease slightly.
Brittleness: High carbon content may lead to cracking under extreme stress.
Cost: Higher cobalt alloy price compared to standard stainless steel.

Corrosion Data for Stellite6 Cobalt Alloy Tube

Environment	Corrosion Rate (mm/year)
Atmospheric (Marine)	<0.01
Mild Chemical (pH 4-10)	<0.05
Sulfuric Acid (10%)	0.1-0.3
Hydrochloric Acid (5%)	0.2-0.5

Best Welding and Manufacturing Practices

Stellite 6 Cobalt Alloy Tube supports various welding methods, including TIG (Tungsten Inert Gas) and plasma arc welding, for optimal results. Use Stellite-compatible filler materials to maintain cobalt alloy properties. Fabrication techniques include:

Cutting: Laser or waterjet for precision.
Forming: Cold forming with caution due to hardness.
Machining: Use carbide tools for best results.

What Customers Say About

Frequently Asked Questions

Q: What is the difference between Stellite 6 Cobalt Alloy Tube and stainless steel?

A: Stellite 6 offers superior wear and corrosion resistance due to its cobalt alloy composition, making it better for extreme environments compared to standard stainless steel.

Q: What are the main cobalt alloy uses for Stellite 6?

A: It’s used in aerospace, medical, oil & gas, and chemical industries for components like turbines, implants, and valves.

Q: Can Stellite 6 Cobalt Alloy Tube be welded?

A: Yes, TIG and plasma arc welding are recommended for best results.

Q: What are the cobalt alloy properties that make Stellite 6 unique?

A: Its high wear resistance, corrosion resistance, and stability at elevated temperatures set it apart.

Q: What welding methods are best for Stellite3?

A: TIG and plasma arc welding provide the best results for integrity and finish.