Alloy C-276
Principal Design Features: C-276 is a wrought corrosion-resistant alloy. A prime advantage of this alloy is that it generally does not require solution heat treatment after welding. It resists the formation of grain boundary precipitates that would degrade corrosion resistance.
Partial List of Applications: Chemical process equipment and desulfurization of flue gas equipment.
Machinability: Good machinability, although the alloy work hardens as is true of the nickel base alloys in general.
Forming: Can be cold worked by all conventional methods.
Welding: Weldable by all common methods except that excessive heat input should be avoided. Can be used in the “as-welded” condition without further heat treatment for most corrosive applications.
Alloy C-276 Chemistry
| Carbon | 0.02 max |
| Chromium | 14.5 - 16.5 |
| Cobalt | 2.5 max |
| Iron | 4 - 7 |
| Manganese | 1 max |
| Molybdenum | 15 - 17 |
| Nickel | Balance |
| Phosphorus | 0.03 max |
| Silicon | 0.08 max |
| Sulphur | 0.03 max |
| Tungsten | 3 - 4.5 |
| Vanadium | 0.35 max |
Alloy C-276 Physical Data
| Density (lb / cu. in.) | 0.321 |
| Specific Gravity | 8.89 |
| Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) | 0.102 |
| Electrical Resistivity (microhm-cm (at 68 Deg F)) | 779 |
| Melting Point (Deg F) | 2500 |
| Thermal Conductivity | 78 |
| Mean Coeff Thermal Expansion | 6.2 |
| Modulus of Elasticity Tension | 29.8 |
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