Haynes 188/UNS R30188 sheet/bar/pipe
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.