Haynes 718 alloy, cold rolled, solution-treated and aged sheet

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Haynes 718 alloy, cold rolled, solution-treated and aged sheet
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	Excellent high-temperature strength up to 650°C, good ductility, formability, and weldability. Very good welding characteristics. Applications include a variety of fabricated component applications in both aircraft and land-based turbine engines including rings, casings, and many types of formed sheet metal components; also used for fasteners and instrumentation parts, also various applications for oil/gas well down hole and well head components. Data provided by the manufacturer, Haynes International, Inc.
Key Words:	UNS N07718, AMS 5596, AMS 5597, AMS 5662, AMS 5664, AMS 5832, AMS 5589, AMS 5590, NACE MR-01-75, ASTM B626
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	8.23 g/cc	at RT

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1395 MPa
	77.0 MPa @Temperature 1095 °C
	145 MPa @Temperature 980 °C
	420 MPa @Temperature 870 °C
	855 MPa @Temperature 760 °C
	1130 MPa @Temperature 540 °C
	1155 MPa @Temperature 650 °C
Tensile Strength, Yield	1175 MPa @Strain 0.2 %
	40.0 MPa @Strain 0.2 %, Temperature 1095 °C
	90.0 MPa @Strain 0.2 %, Temperature 980 °C
	305 MPa @Strain 0.2 %, Temperature 870 °C
	750 MPa @Strain 0.2 %, Temperature 760 °C
	995 MPa @Strain 0.2 %, Temperature 540 °C
	1000 MPa @Strain 0.2 %, Temperature 650 °C
Elongation at Break	22.3 %	in 50.8 mm
	10.2 % @Temperature 760 °C	in 50.8 mm
	19.9 % @Temperature 650 °C	in 50.8 mm
	24.4 % @Temperature 540 °C	in 50.8 mm
	27.7 % @Temperature 870 °C	in 50.8 mm
	37 % @Temperature 980 °C	in 50.8 mm
	38.5 % @Temperature 1095 °C	in 50.8 mm
Modulus of Elasticity	200 GPa	RT
	117 GPa @Temperature 1000 °C
	134 GPa @Temperature 900 °C
	149 GPa @Temperature 800 °C
	159 GPa @Temperature 700 °C
	167 GPa @Temperature 600 °C
	173 GPa @Temperature 500 °C
	179 GPa @Temperature 400 °C
	185 GPa @Temperature 300 °C
	191 GPa @Temperature 200 °C
	199 GPa @Temperature 100 °C

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000121 ohm-cm	RT
	0.000122 ohm-cm @Temperature 100 °C
	0.000125 ohm-cm @Temperature 200 °C
	0.000127 ohm-cm @Temperature 300 °C
	0.000129 ohm-cm @Temperature 400 °C
	0.000130 ohm-cm @Temperature 500 °C
	0.000132 ohm-cm @Temperature 600 °C
	0.000132 ohm-cm @Temperature 700 °C
	0.000132 ohm-cm @Temperature 800 °C
	0.000133 ohm-cm @Temperature 900 °C
	0.000133 ohm-cm @Temperature 1000 °C

Thermal Properties	Original Value	Comments
CTE, linear	12.8 µm/m-°C @Temperature 25.0 - 100 °C
	13.5 µm/m-°C @Temperature 25.0 - 200 °C
	13.8 µm/m-°C @Temperature 25.0 - 300 °C
	14.1 µm/m-°C @Temperature 25.0 - 400 °C
	14.3 µm/m-°C @Temperature 25.0 - 500 °C
	14.8 µm/m-°C @Temperature 25.0 - 600 °C
	15.5 µm/m-°C @Temperature 25.0 - 700 °C
	16.3 µm/m-°C @Temperature 25.0 - 800 °C
	17.2 µm/m-°C @Temperature 25.0 - 900 °C
Thermal Conductivity	11.4 W/m-K	RT
	12.6 W/m-K @Temperature 100 °C
	14.3 W/m-K @Temperature 200 °C
	15.9 W/m-K @Temperature 300 °C
	17.5 W/m-K @Temperature 400 °C
	19.0 W/m-K @Temperature 500 °C
	20.6 W/m-K @Temperature 600 °C
	22.2 W/m-K @Temperature 700 °C
	23.8 W/m-K @Temperature 800 °C
	25.4 W/m-K @Temperature 900 °C
	27.1 W/m-K @Temperature 1000 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.50 %
Boron, B	0.0090 %
Carbon, C	0.050 %
Chromium, Cr	18 %
Cobalt, Co	<= 1.0 %
Copper, Cu	<= 0.10 %
Iron, Fe	19 %
Manganese, Mn	<= 0.35 %
Molybdenum, Mo	3.0 %
Nickel, Ni	52 %	As Remainder
Niobium, Nb (Columbium, Cb)	5.0 %	Includes Ta
Silicon, Si	<= 0.35 %
Titanium, Ti	0.90 %

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NH718A / 16763

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