Stellite 12 offers higher hardness and abrasion resistance than Stellite 6 while maintaining good corrosion and heat resistance. It is commonly used in severe wear environments involving erosion, sliding wear, and high-temperature service, particularly in valve trim, extrusion tooling, and industrial cutting applications.
Cobalt-Based Alloy
Stellite 12
Stellite 12 offers higher hardness and abrasion resistance than Stellite 6 while maintaining good corrosion and heat resistance. It is commonly used in severe wear environments involving erosion, sliding wear,...
Stellite 12
Description
Chemical Composition
| Element | Content (%) |
|---|---|
| Co | Base |
| Cr | 27-32 |
| W | 7.5-9.5 |
| C | 1.4-2.0 |
| Others | Ni, Fe, Si, Mn |
Equivalent Grades
| Specification / Standard | Product Form / Grade |
|---|---|
| UNS R30012 | Rod, Castings |
| UNS W73012 | Electrode |
| UNS W73042 | Wire |
Execution Standards
| Specification / Standard | Product Form |
|---|---|
| AWS A5.21 ERCoCr-B | Rod |
| AWS A5.21 ERCCoCr-B | Wire |
| AWS A5.21 ECoCr-B | Electrode |
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