Cobalt-Based Alloys

Cobalt-based alloys

Cobalt Based Alloy Strips for Industrial Applications

Cobalt-Based Alloy Products We Supply

Cobalt-based alloys are available in different product forms to support various industrial manufacturing requirements.

Cobalt Alloy Bars and Rods

Cobalt alloy bars are commonly used for machining precision parts such as valve components, pump parts, cutting tools, and wear-resistant components.

Cobalt Alloy Plates and Sheets

Cobalt alloy plates are used in high-temperature equipment, heat-resistant components, and structural parts that require good mechanical stability.

Cobalt Alloy Forgings

Cobalt alloy forgings are often used in heavy-duty applications where high strength and structural integrity are required. Typical forged products include rings, discs, and shafts.

Cobalt Alloy Tubes

Cobalt alloy tubes are used in specialized high-temperature or corrosion-resistant piping systems.

Custom Cobalt Alloy Components

We can also manufacture custom cobalt alloy parts according to customer drawings or technical requirements, including forged and machined components.

Advantages of Cobalt-Based Alloys

Cobalt-based alloys are high-performance materials known for their excellent wear resistance, high-temperature strength, and corrosion resistance. These alloys are designed to maintain stability in extreme operating conditions, including high temperatures, high pressure, and aggressive chemical environments.

Instructions

Excellent High Temperature Performance

Cobalt alloys maintain good mechanical strength and structural stability at elevated temperatures, making them suitable for aerospace engines and high-temperature industrial systems.

Strong Corrosion Resistance

These alloys provide excellent resistance to wear and abrasion, which is why they are commonly used for cutting tools, valve seats, and other wear-critical components.

Reliable Mechanical Properties

Nickel alloys offer excellent creep resistance, fatigue strength, and toughness. These characteristics help prevent deformation and cracking during long-term operation.

Good Mechanical Stability

Cobalt alloys maintain toughness and reliability during long-term operation, even under harsh conditions.

Common Cobalt-Based Alloy Grades

Different cobalt alloys are designed to meet specific performance requirements such as wear resistance

One-piece deformable cobalt-based superalloy (forgeable and roll-formable)

Suitable for the manufacturing of high-temperature structural components such as combustion chambers and guide vanes.

‌Haynes 188‌ (UNS R30188)
A typical solid-solution strengthened cobalt-based alloy containing nickel, chromium, and tungsten. It exhibits excellent strength and oxidation resistance at intermediate to high temperatures, with a maximum service temperature up to 1090 °C. Commonly used in hot-section components of aerospace engines.

‌Haynes 25 (L-605)‌ (UNS R30605)
Contains 20% tungsten and 15% chromium, offering good formability and weldability. It maintains moderate creep strength below 815 °C and is widely used in afterburner shells and combustion chambers.

‌MP-159‌ (UNS R30159)
A high-strength, high-toughness alloy suitable for high-stress environments such as turbine disks and fasteners. It also demonstrates excellent resistance to thermal fatigue.

‌GH5188‌ (Chinese grade, equivalent to Haynes 188)
A domestically produced grade with composition and performance comparable to Haynes 188, extensively used in aerospace applications.

‌GH605‌ (equivalent to L-605)
A Chinese standard grade used in the manufacture of combustion chambers and guide vanes for aero-engines, featuring excellent high-temperature oxidation resistance.

Two-piece cast cobalt-based superalloys

Used for producing complex-shaped high-temperature components such as turbine guide vanes and nozzles.

‌Haynes X-40‌ (AMS 5380)
A classic cast alloy containing 25% chromium, 10% nickel, and 7.5% tungsten. It offers good castability and oxidation resistance, with a maximum use temperature of 980 °C.

‌FSX-414‌
Known for its high-temperature strength, commonly used in gas turbine blades, and exhibits good resistance to hot corrosion.

‌Stellite 6B‌ (UNS R30006)
Part of the Stellite alloy family, it provides a balanced combination of wear and corrosion resistance, frequently used in turbine blades and chemical valves.

‌UMCo-50‌
A high-carbon, high-chromium cast alloy strengthened by carbides, suitable for high-temperature, wear-resistant applications.

Stellite series hard alloys

Characterized primarily by wear and corrosion resistance, commonly used in welding overlays, coatings, and medical applications.

‌Stellite 1‌
High wear resistance, suitable for cutting tools and valve sealing surfaces.

‌Stellite 6 / 6B‌
Balanced wear and corrosion resistance, widely used in turbine components and chemical processing equipment.

‌Stellite 12‌
Outstanding wear resistance, applied in mining machinery and high-wear environments.

‌Stellite 21‌
High toughness and biocompatibility, used in medical implants such as artificial joints.

‌Stellite 31‌
Excellent resistance to hot corrosion, used in high-temperature components of gas turbines.

Other special-purpose cobalt-based alloys

‌Hiperco 50‌ (Co-Fe-V alloy)
A soft magnetic alloy containing approximately 50% cobalt, used in high-performance electromagnetic devices in aerospace and defense.

‌GTi30‌ (WC-Co cemented carbide)
A tungsten-cobalt cemented carbide containing 85% tungsten carbide and 15% cobalt, with hardness exceeding 86 HRC. Used in precision dies and cutting tools.

‌Alloy S-816‌
An early-developed cobalt-based alloy used in high-temperature structural parts, offering good oxidation resistance.

Industries That Use Cobalt-Based Alloys

Because of these properties, cobalt-based alloys are widely used in aerospace, medical equipment, energy systems, oil & gas applications, and other industries where durability and reliability are critical.

Aerospace

Cobalt alloys are used in turbine components, combustion systems, and other aerospace parts that operate under high temperatures and mechanical stress.

Chemical Processing

Cobalt alloys are used in equipment exposed to corrosive chemicals and high temperatures.

Oil & Gas

In oil and gas applications, cobalt-based alloys are used in drilling tools, valves, and wear-resistant components exposed to harsh environments.

Naval & Marine

Cobalt alloys are widely used in medical implants and surgical tools due to their strength, corrosion resistance, and biocompatibility.

Learn More

Power Generation

Energy systems use cobalt-based alloys in turbines and high-temperature mechanical components that require durability and reliability.

Learn More

Frequently Asked Questions About Cobalt-Based Alloys

What are cobalt-based alloys used for?

Cobalt-based alloys are commonly used in applications that require excellent wear resistance, high-temperature stability, and corrosion resistance. Typical applications include aerospace turbine components, medical implants, oil and gas equipment, cutting tools, and valve components. These alloys are especially valuable in environments where conventional materials may fail due to heat, pressure, or chemical exposure.

What are the advantages of cobalt-based alloys compared to other alloys?

Compared with many other engineering materials, cobalt-based alloys offer outstanding wear resistance and maintain their strength at high temperatures. They also provide good corrosion resistance in aggressive environments. Because of these properties, they are often selected for high-performance components that operate under extreme conditions.

What are the most common cobalt alloy grades?

Some of the most widely used cobalt-based alloys include Stellite 6, Stellite 12, Stellite 21, and Haynes 25 (L605). Each grade is designed for different applications. For example, Stellite alloys are well known for their wear resistance, while Haynes 25 offers excellent high-temperature strength and oxidation resistance.

Are cobalt-based alloys suitable for high-temperature applications?

Yes. One of the key advantages of cobalt alloys is their ability to maintain mechanical strength and structural stability at elevated temperatures. This is why they are frequently used in aerospace engines, gas turbines, and other high-temperature industrial systems.

Can cobalt-based alloys be forged or machined?

Cobalt alloys can be forged and machined using specialized manufacturing processes. Because these materials are relatively hard and wear-resistant, machining may require appropriate tooling and processing parameters. Many industrial suppliers offer forged or pre-machined cobalt alloy components to meet specific application requirements.

Contact Us for Cobalt-Based Alloy Materials

Phone:+86 0538 6368027

Email:sales@tiptopmetal.com

If you are sourcing cobalt-based alloy materials or custom components, our team can help you choose the right alloy grade for your application.

We support customers with:Alloy grade recommendations,Custom forging and machining services,Flexible production solutions,Global material supply Feel free to contact us with your drawings or specifications, and we will help you find the right cobalt-based alloy solution.

Email Address

Phone Number