Chemical Composition

Identification Symbol	UNS Number	Grade	Elements	Composition %
FXM-19	S20910	22 chromium, 13 nickel, 5 manganese XM-19	Carbon	0.06 max
			Manganese	4.00 - 6.00
			Phosphorus	0.040 max
			Sulfur	0.030 max
			Silicon	1.00 max
			Nickel	11.5 - 13.5
			Chromium	20.5 - 23.5
			Molybdenum	1.50 - 3.00
			Columbium	0.10 - 0.30
			Vanadium	0.10 - 0.30
			Nitrogen	0.20 - 0.40

Mechanical Properties

Property	Value
Tensile Strength, min, ksi [MPa]	100 [690]
Yield Strength, min, ksi [MPa]	55 [380]
Elongation in 2 in. [50mm] or 4D, min, %	35
Reduction or Area, min, %	55
Brinell Hardness Number, HBW	--

Heat Treatment

After hot working, forgings shall be cooled to a temperature below 1000 °F [538 °C] prior to heat treating in accordance with the requirements.