Hastelloy S/UNS N06635
 

%	Ni	Cr	Mo	Fe	Co	W	C	Mn	Si	P	S	Al	Cu	La	B
min	balance	14.5	14.0					0.30	0.20			0.10		0.01
max		17.0	16.5	3.0	2.0	1.00	0.020	1.00	0.75	0.020	0.015	0.50	0.35	0.10	0.015

Physical properties

Density	8.75 g/cm3
Melting range	1335-1380℃

 

Features: Hastelloy S has excellent thermal stability, low thermal expansion and excellent oxidation resistance at 1093℃. It has good high temperature and thermal fatigue strength. It retains its strength and ductility after aging at temperatures of 427 to 871℃. Hastelloy S is particularly suitable for cyclical heating conditions where components must be capable of retaining their strength, ductility and metallurgical integrity after long time exposure.
Applications: Industrial furnaces, and gas turbine engine seal rings.
Note: Hastelloy is a registered trademark of Haynes International, Inc.