Stellite 720 is a cobalt-based alloy containing chromium, molybdenum, and carbon, designed for applications requiring resistance to abrasive wear and corrosion. Stellite 720 has a nominal composition of 33% chromium, 18% molybdenum, and 2.45% carbon by mass, with cobalt as the balance and a typical hardness of 53–60 HRC. Reported applications include material conveying pipes, conveying screws, refinery bends, pump casings, and valve components.
Cobalt-Based Alloy
Stellite 720
Stellite 720 is a cobalt-based alloy containing chromium, molybdenum, and carbon, designed for applications requiring resistance to abrasive wear and corrosion. Stellite 720 has a nominal composition of 33% chromium,...
Stellite 720
Description
Chemical Composition
| Element | Content (%) |
|---|---|
| Co | Base |
| Cr | 32.5 |
| Mo | 17.5 |
| C | 2.5 |
| Ni | ＜2.0 |
| Density | 8.75g/cm³ |
| Hardness | ~60 |
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