Single Screw Barrel for Extruder Molding Machines with Colmonoy 83 Alloy Coating or Colmonoy 56 Alloy or Deloro Stellite Alloy

We strive to make the products beautiful, high quality and low price and provide after-sales service, so that our Palladium Allloy Wire, Pure Tungsten Rod, Zr 2 5nb Zirconium Niobium Alloy won the trust of customers. Our quality policy is "strict management, keep improving, pursuit of customer satisfaction, high qualification rate". We use a good company mechanism to repay the enthusiasm and hard work of each employee, and jointly create a warm working environment. With the development of market economy, relying on high-quality products, excellent service and good reputation, our company has established a domestic and international sales network system and opened up domestic and international markets.

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.

We are far-sighted, pursue technological leadership, and provide high-quality power Single Screw Barrel for Extruder Molding Machines with Colmonoy 83 Alloy Coating or Colmonoy 56 Alloy or Deloro Stellite Alloy and services to the world. We actively listen to our customers' opinions and continuously improve our work, while simplifying cumbersome and unnecessary procedures to facilitate our customers. We provide a broad development platform for our employees, and constantly improve the company's evaluation system, incentive mechanism and training system.

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