F75(Co-Cr-Mo alloy)

The Growing Importance of Cobalt Alloys in High-Tech Industries

Hello. This is Dong-A Special Metals, Inc. As demand increases for advanced materials in energy, aerospace, and medical sectors, cobalt (Co) has emerged as a critical element. Cobalt alloys are highly valued for their heat resistance, corrosion resistance, and wear resistance. These properties make them essential for extreme environments such as turbines, gas compressors, heat exchangers, and implants.

Unlike nickel- or iron-based superalloys, cobalt alloys maintain structural stability under high heat and in oxidizing environments. They also excel in non-magnetic applications where high strength is essential. This positions cobalt-based materials as vital solutions in the high-value-added materials market.


Spotlight on F75: The Leading Cobalt-Chromium-Molybdenum Alloy

Among cobalt alloys, F75 (Co-Cr-Mo) stands out. Developed under the ASTM F75 standard, this alloy contains cobalt, chromium, and molybdenum. It delivers exceptional mechanical strength, biocompatibility, and corrosion resistance.

F75 is the most widely used cobalt alloy in the medical field. It is commonly used in:

- Artificial joints and hip implants

- Dental frames and orthopedic devices

- Surgical drills, cutting tools, and wear-resistant components

Today, F75 is gaining broader industrial use beyond healthcare. Its ability to withstand high-temperature and high-pressure conditions makes it suitable for:

- Valves, pumps, and heat exchanger components

- Petrochemical and gas industry applications

- Precision machining for high-strength parts


The Critical Supply Chain and Rising Demand for Recycling

Cobalt is a strategic and scarce metal. Around 70% of the world’s cobalt comes from the Democratic Republic of Congo (DRC), followed by Russia, Australia, and Indonesia. Political instability and ethical concerns in cobalt-producing regions present serious risks to global supply chains.

Due to this supply uncertainty, cobalt recycling has gained global attention. F75 scrap is especially valuable for recovery and reuse due to its casting-based production. As a result, collecting and reprocessing F75 materials has become a cost-effective and environmentally sustainable strategy.

At Dong-A Specialty Metals, we support this global movement with advanced scrap refining and recovery technology. We contribute to the circular economy by processing post-use F75 and other cobalt alloys into high-purity, reusable materials. These efforts reduce dependence on unstable sources and support low-carbon industry goals.

In the future, we expect the recycling of cobalt-based alloys like F75 to grow rapidly. As Korea strengthens its circular economy and ESG management strategy, recycling cobalt scrap will be essential to secure material sovereignty and promote sustainable industrial growth.



#F75 cobalt alloy #cobalt recycling #cobalt superalloy #cobalt in medicine #petrochemical alloys #Dong-A Specialty Metals #high-temperature alloy #cobalt scrap recovery #circular economy metals #ASTM F75

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2) Kor : https://blog.naver.com/dongaspecial/223683546036

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Ltd. is selling titanium (titanium) sponge substitutes for research and alloying on its smart store in order to localize the material in Korea. We look forward to your interest and support. Thank you.


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