UNS R30188
Chemical composition
% | Co | Ni | Cr | W | Fe | C | Mn | Si | P | S | La | B |
min | balance | 20.0 | 20.0 | 13.0 |
|
0.05 | 0.20 |
|
|
0.02 |
|
|
max | 24.0 | 24.0 | 16.0 | 3.0 | 0.15 | 1.25 | 0.50 |
0.020 |
0.015 |
0.12 |
0.015 |
Physical properties
Density | 8.98 g/cm3 |
Melting range | 1315-1410℃ |
Features: Haynes 188 combines excellent high temperature strength with very good resistance to oxidizing environments up to 1095℃ for prolonged exposure, and excellent resistance to sulfate deposit hot corrosion. It also has excellent resistance to molten chloride salts, and good resistance to gaseous sulfidation.
Applications: Military and commercial gas turbine engine combustion cans, transition ducts and after-burner components.
Note: Haynes is a registered trademark of Haynes International, Inc.