Castable Alloy Cobalt Bars Hot Rolled or Forging Umco Alloy Bar in Cobalt Alloy Products

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FANMETAL supply the Cobalt Base Alloy hardfacing service with Cobalt Base Alloy welding rod or powder to improve the hardness and corrosion resistance of the base material including Duplex, Super Duplex , Inconel 625, Monel 400 series St and SS 316 with hardfacings of Cobalt Base Alloy* (Cobalt base) or (Nickel base) alloys.

Cobalt Base Alloy Hardfacing alloy contains 25-33% chromium, 3-21% tungsten, and 0.7-3.0% carbon. As the carbon content increases, the metallographic structure changes from hypoeutectic austenite + M7C3 eutectic to hypereutectic M7C3 primary carbide + M7C3 eutectic. The more carbon content, the more nascent M7C3, the greater the macroscopic hardness, and the improved abrasive wear resistance, but the impact resistance, weldability, and machining performance will all decrease. Cobalt Base Alloy alloy alloyed with chromium and tungsten has good oxidation resistance, corrosion resistance and heat resistance. It can still maintain high hardness and strength at 650℃, which is an important feature that distinguishes this type of alloy from nickel-based and iron-based alloys.

Cobalt Base Alloy Hardfacing Service Picture:

After machining, Cobalt Base Alloy alloy has low surface roughness, high scratch resistance and low friction coefficient. It is also suitable for adhesive wear, especially on sliding and contacting valve sealing surfaces. However, in high-stress abrasive wear, the wear resistance of low-carbon cobalt-chromium-tungsten alloy is not as good as that of low-carbon steel. Therefore, the selection of expensive Cobalt Base Alloy alloy must be guided by professionals in order to maximize the potential of the material. . There are also Cobalt Base Alloy surfacing alloys containing Laves phases alloyed with chromium and molybdenum, such as Co-28Mo-17Cr-3Si and Co-28Mo-8Cr-2Si. Due to the lower hardness of Laves compared to carbides, the material that is paired with it in the metal friction pair wears less.

Note: Cobalt Base Alloy is a trademark of Deloro Cobalt Base Alloy, USA.

Our company is mainly engaged in the research and development and manufacturing of Castable Alloy Cobalt Bars Hot Rolled or Forging Umco Alloy Bar in Cobalt Alloy Products. Adhering to the development concept of 'Ensuring product quality and providing excellent service', our company has achieved good win-win results with customers, won the trust and support of customers. Our company relies on the demanding work attitude to perfect the research and development of customer demand, we spare no effort to do better. We insist on pioneering and innovating, seeking development based on the market, and are committed to providing customers with high-quality products.

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