Chemical Composition

Grade Symbol	Elements	Composition %
Alloy 617	Nickel	44.5 min
	Copper	0.5 max
	Iron	3.0 max
	Manganese	1.0 max
	Carbon	0.05–0.15
	Silicon	1.0 max
	Sulfur	0.015
	Chromium	20.0–24.0
	Aluminum	0.8–1.5
	Titanium	0.6 max
	Columbium(Nb) +tantalum	-
	Molybdenum	8.0–10.0
	Phosphorus	-
	Tungsten	-
	Cobalt, max	10.0 min–15.0 max
	Vanadium, max	-
	Nitrogen	-
	Boron	0.006 max
	Lanthanum	-
	Aluminum + Titanium	-
	Nickel + Molybdenum	-
	Columbium(Nb) max	-
	Tantalum	-
	Zirconium, max	-
	Cerium	-
	Yttrium	-

Mechanical Properties

Maximum Section Thickness, in. (mm)	Tensile Strength, min ksi [MPa]	Yield Strength, min ksi [MPa]	Elongation in 2 in. or 50 mm, min, %
-	95 (655)	35 (241)	35