Chemical Composition

Grade Symbol	Elements	Composition %
Alloy 800
	Nickel	30.0–35.0
	Copper	0.75 max
	Iron	39.5 minA
	Manganese	1.5 max
	Carbon	0.10 max
	Silicon	1.0 max
	Sulfur	0.015
	Chromium	19.0–23.0
	Aluminum	0.15–0.60
	Titanium	0.15–0.60
	Columbium(Nb) +tantalum	-
	Molybdenum	-
	Phosphorus	-
	Tungsten	-
	Cobalt, max	-
	Vanadium, max	-
	Nitrogen	-
	Boron	-
	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, %
-	75 (517)	30 (207)	30