Hastelloy C-22 (UNS N06022) Corrosion-resistant nickel alloy

Features Hastelloy C-22 is an alloy that contains nickel, chromium, molybdenum and tungsten, which makes the alloy resistant to corrosion in stagnant or flowing seawater Outstanding resistance to both reducing and oxidizing media Resists the formation of grain-boundary precipitates in the weld’s heat-affected zone Hastelloy C-22 features a Face Center Cubic structure Product Form

Product	ASTM Standard
Bar	B574
Sheet	B575
Seamless Steel Tube	B622
Pipe	B619
Welded Steel Pipe	B626
Forging Part	B564

Chemical Analysis

	%	Ni	Cr	Mo	Fe	W	Co	C	Mn	Si	S	P	V
Hastelloy C-22	Min.	Balance	20	12.5	2	2.5
	Max.	Balance	22.5	14.5	6	3.5	2.5	0. 015	0.5	0. 08	0. 35	0. 02	0. 02

Physical Properties

Density	8.94G/CM3
Melting Range	1325-1370℃

The Min. Mechanical Properties under Room Temperature

Alloy	Tensile Strength	Yield Strength	Elongation
	RM N/MM2	RP0.2 N/MM2	A5%
HASTELLOY	690	283	40

Applications Adapts to any chemical processing include oxidation and reduction media Cellophane manufacturing Acid leaching Chlorination systems Geothermal wells Expansion bellows Pesticide production Nuclear fuel regeneration