Stellite6 Cobalt Alloy Plate – High Performance Cobalt Based Alloy From China

The Stellite6 Cobalt Alloy Plate is a versatile cobalt-based alloy known for its excellent corrosion resistance, wear resistance, and high-temperature performance. Produced by our trusted China manufacturer, this cobalt-chromium alloy is ideal for industries requiring durable materials, such as aerospace, oil and gas, and chemical processing.

Price: Contact Us for a Custom Quote

Contact our sales team for a tailored quote on Stellite6 Cobalt Alloy Plate. Pricing is competitive and based on order specifications. Reach out to explore your cobalt alloy needs.

Specifications

Thickness: 1.0 mm to 100 mm
Width: Up to 2500 mm
Length: Customizable, up to 6000 mm
Surface Treatment: Polished, sandblasted, or as-rolled
Standards: ASTM, AMS, or client-specific requirements

Key Features (Advantages)

Excellent Corrosion Resistance: Withstands harsh chemical environments.
High Wear Resistance: Ideal for abrasive conditions.
Temperature Stability: Performs reliably up to 900°C.
Easy Fabrication: Supports welding, forming, and machining.
Cost-Effective Durability: Reduces maintenance and replacement costs.

Applications of Stellite6 Cobalt Alloy Plate

The Stellite6 Cobalt Alloy Plate is a preferred choice for industries leveraging its robust cobalt alloy properties. Common applications include:

Aerospace: Engine components and turbine seals.
Oil and Gas: Valve components and pump parts.
Chemical Processing: Heat exchangers and reactor vessels.
Power Generation: Wear-resistant turbine parts.
Marine: Components exposed to seawater.

Chemical Composition

Element	Percentage (%)
Cobalt (Co)	Balance
Chromium (Cr)	27.0-32.0
Tungsten (W)	4.0-6.0
Carbon (C)	0.9-1.4
Nickel (Ni)	≤3.0
Iron (Fe)	≤3.0

Mechanical Properties

Property	Value
Tensile Strength	950 MPa (min)
Yield Strength	550 MPa (min)
Elongation	10% (min)
Hardness	36-45 HRC

Chemical Properties

The Stellite6 Cobalt Alloy Plate offers superior resistance to acids, alkalis, and oxidizing agents. It performs well in sulfuric and phosphoric acid environments but may face challenges in concentrated nitric acid. Environmental restrictions include avoiding prolonged exposure to highly saline or chloride-rich conditions to prevent localized corrosion.

Things to Note (Limitations)

While the Stellite6 Cobalt Alloy Plate is highly versatile, note these limitations:
- High Temperatures: Performance may degrade above 900°C.
- Cost: Higher cobalt alloy price compared to standard alloys.
- Machinability: Requires specialized tools due to hardness.

Corrosion Data for Stellite6 Cobalt Alloy Plate

Environment	Corrosion Rate (mm/year)
Atmospheric (Industrial)	<0.01
Mild Chemical (10% H₂SO₄)	0.01-0.03
Seawater	0.03-0.08

Best Welding and Manufacturing Practices

The Stellite6 Cobalt Alloy Plate supports multiple welding methods, including:

TIG Welding: Ideal for high precision and minimal heat input.
MIG Welding: Suitable for thicker plates.
Plasma Arc Welding: Effective for complex assemblies.

Fabrication includes laser cutting, forming, and machining. Preheating to 150-250°C is advised to minimize cracking risks during processing.

What Customers Say About

Frequently Asked Questions

Q: How does Stellite6 differ from Stellite3?

A: Stellite6 has lower carbon content, offering better ductility but slightly less wear resistance than Stellite3.

Q: What industries use Stellite6 Cobalt Alloy Plate?

A: Aerospace, oil and gas, chemical processing, power generation, and marine industries benefit from its properties.

Q: Can Stellite6 withstand high temperatures?

A: Yes, up to 900°C, though extended exposure may affect performance.

Q: How does Stellite6 compare to nickel-based alloys?

A: Stellite6 offers superior wear resistance but may be less cost-effective.

Q: What are the lead times for Stellite6 plates?

A: Lead times depend on order size; contact our team for specifics.