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Cobalt Based Investment Cast Alloy Compositions
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| Cobalt Based Alloy Chemistry | |||||||||||||
| Carbon Min-Max |
Manganese Max |
Phosphorous Max |
Sulfur Max |
Silicon Max |
Nickel Max |
Chromium Min-Max |
Molybdenum Max |
Iron Max |
Cobalt | Tungsten Min-Max |
Other | Melting Temperature |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alloy Type | |||||||||||||
| Co 3 Investment Cast | 2.0-2.7 | 1.0 | 0.03 | 0.03 | 1.0 | 3.0 | 29.0-33.0 | - | 3.0 | Bal. | 11.0-14.0 | 2215-2345 | |
| Co 6 Investment Cast | 0.9-1.4 | 1.0 | 0.04 | 0.03 | 1.5 | 3.0 | 27.0 31.0 | 1.5 | 3.0 | Bal. | 3.50-5.50 | 2300-2475 | |
Cobalt Based Investment Cast Alloy Properties
| Cobalt Based Alloy Properties | ||
| Alloy Type | Condition | Typical Hardness Rc |
|---|---|---|
| Co3 Investment Cast | As Cast | 48-53 |
| Co6 Investment Cast | As Cast | 37-45 |
Cross-Index of Various Alloy Designations For Cobalt Based Investment Cast Alloys
| Cobalt Based Alloy Cross-Index | ||
| Alloy or Type | AMS | Other Designation |
|---|---|---|
| Co3 Investment Cast | ||
| Co6 Investment Cast | 5387 | |
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