Description
Haynes 188
HAYNES® 188 alloy (UNS R30188) is a cobalt-nickel-chromium-tungsten alloy that combines excellent high-temperature strength with very good resistance to oxidizing environments up to 2000°F (1095°C) for prolonged exposures, and excellent resistance to sulfate deposit hot corrosion. It is readily fabricated and formed by conventional techniques, and has been used for cast component. Other attractive features include excellent resistance to molten chloride salts, and good resistance to gaseous sulfidation.
%Chemical Composition
| B | La | C | Si | Mn | Fe | W | Cr | Ni | Co |
| (max) 0.015 | 0.03 | 0.1 | 0.35 | (max) 1.25 | (max) 3 | 14 | 22 | 22 | Balance |
Density & Melting Point
| Melting Point (Celsius) | Density |
| 1330 | (g/cm) 8.9 |
Hardness
| Hardness (HRBW) | Form |
| 98 | Sheet |
| 98 | Plate |
| 96 | Bar |
DM unit
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