Alloy Cobalt (Stellite)

BCHH Cobalt Alloy (Stellite) Balls represent the pinnacle of our 20+ years of advanced materials

engineering expertise. Manufactured under ISO 9001 certified processes, these super-alloy balls are 

specifically engineered to deliver unparalleled performance in extreme conditions where standard materials 

fail. Our Stellite balls combine exceptional hardness with outstanding corrosion and heat resistance, making 

them the ultimate choice for the most challenging industrial applications.

Material Excellence:

• Cobalt-Chromium-Tungsten Alloy: Superior wear resistance at high temperatures

• Exceptional Hardness: Maintains properties up to 800°C (1472°F)

• Outstanding Corrosion Resistance: Performs in acidic and alkaline environments

• Excellent Galling Resistance: Ideal for metal-to-metal contact applications

Technical Specifications:

• Hardness: 35-55 HRC (varies by grade)

• Operating Temperature: Up to 800°C continuous service

• Size Range: 1mm to 50mm standard, custom sizes available

• Surface Finish: Customizable to application requirements

• Grades Available: Stellite 1, 3, 6, 12, 19, 21 and other variants

Critical Applications:

• Aerospace: Jet engine components, turbine parts

• Nuclear Industry: Valve components, control systems

• Chemical Processing: Severe service valves, pump components

• Oil & Gas: Downhole tools, valve trim in sour service

• Power Generation: High-temperature valve systems

• Medical: Surgical instruments, orthopedic devices

Facing extreme operating conditions that demand superior material performance? Contact BCHH's

 technical team for expert consultation, material selection guidance, and competitive quotations for Stellite

 balls tailored to your specific requirements.