Haynes188/UNS R30188
 

%	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.