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Metalmen Sales

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
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Physical PropertiesMetricEnglishComments
Density 8.23 g/cc0.297 lb/in³at RT
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 1395 MPa202300 psi
 77.0 MPa
@Temperature 1095 °C		11200 psi
@Temperature 2003 °F
 145 MPa
@Temperature 980 °C		21000 psi
@Temperature 1800 °F
 420 MPa
@Temperature 870 °C		60900 psi
@Temperature 1600 °F
 855 MPa
@Temperature 760 °C		124000 psi
@Temperature 1400 °F
 1130 MPa
@Temperature 540 °C		164000 psi
@Temperature 1000 °F
 1155 MPa
@Temperature 650 °C		167500 psi
@Temperature 1200 °F
Tensile Strength, Yield 1175 MPa
@Strain 0.2 %		170400 psi
@Strain 0.2 %
 40.0 MPa
@Strain 0.2 %,
Temperature 1095 °C		5800 psi
@Strain 0.2 %,
Temperature 2003 °F
 90.0 MPa
@Strain 0.2 %,
Temperature 980 °C		13100 psi
@Strain 0.2 %,
Temperature 1800 °F
 305 MPa
@Strain 0.2 %,
Temperature 870 °C		44200 psi
@Strain 0.2 %,
Temperature 1600 °F
 750 MPa
@Strain 0.2 %,
Temperature 760 °C		109000 psi
@Strain 0.2 %,
Temperature 1400 °F
 995 MPa
@Strain 0.2 %,
Temperature 540 °C		144000 psi
@Strain 0.2 %,
Temperature 1000 °F
 1000 MPa
@Strain 0.2 %,
Temperature 650 °C		145000 psi
@Strain 0.2 %,
Temperature 1200 °F
Elongation at Break 22.3 %22.3 %in 50.8 mm
 10.2 %
@Temperature 760 °C		10.2 %
@Temperature 1400 °F		in 50.8 mm
 19.9 %
@Temperature 650 °C		19.9 %
@Temperature 1200 °F		in 50.8 mm
 24.4 %
@Temperature 540 °C		24.4 %
@Temperature 1000 °F		in 50.8 mm
 27.7 %
@Temperature 870 °C		27.7 %
@Temperature 1600 °F		in 50.8 mm
 37 %
@Temperature 980 °C		37 %
@Temperature 1800 °F		in 50.8 mm
 38.5 %
@Temperature 1095 °C		38.5 %
@Temperature 2003 °F		in 50.8 mm
Modulus of Elasticity 200 GPa29000 ksiRT
 117 GPa
@Temperature 1000 °C		17000 ksi
@Temperature 1830 °F
 134 GPa
@Temperature 900 °C		19400 ksi
@Temperature 1650 °F
 149 GPa
@Temperature 800 °C		21600 ksi
@Temperature 1470 °F
 159 GPa
@Temperature 700 °C		23100 ksi
@Temperature 1290 °F
 167 GPa
@Temperature 600 °C		24200 ksi
@Temperature 1110 °F
 173 GPa
@Temperature 500 °C		25100 ksi
@Temperature 932 °F
 179 GPa
@Temperature 400 °C		26000 ksi
@Temperature 752 °F
 185 GPa
@Temperature 300 °C		26800 ksi
@Temperature 572 °F
 191 GPa
@Temperature 200 °C		27700 ksi
@Temperature 392 °F
 199 GPa
@Temperature 100 °C		28900 ksi
@Temperature 212 °F
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000121 ohm-cm0.000121 ohm-cmRT
 0.000122 ohm-cm
@Temperature 100 °C		0.000122 ohm-cm
@Temperature 212 °F
 0.000125 ohm-cm
@Temperature 200 °C		0.000125 ohm-cm
@Temperature 392 °F
 0.000127 ohm-cm
@Temperature 300 °C		0.000127 ohm-cm
@Temperature 572 °F
 0.000129 ohm-cm
@Temperature 400 °C		0.000129 ohm-cm
@Temperature 752 °F
 0.000130 ohm-cm
@Temperature 500 °C		0.000130 ohm-cm
@Temperature 932 °F
 0.000132 ohm-cm
@Temperature 600 °C		0.000132 ohm-cm
@Temperature 1110 °F
 0.000132 ohm-cm
@Temperature 700 °C		0.000132 ohm-cm
@Temperature 1290 °F
 0.000132 ohm-cm
@Temperature 800 °C		0.000132 ohm-cm
@Temperature 1470 °F
 0.000133 ohm-cm
@Temperature 900 °C		0.000133 ohm-cm
@Temperature 1650 °F
 0.000133 ohm-cm
@Temperature 1000 °C		0.000133 ohm-cm
@Temperature 1830 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  12.8 µm/m-°C
@Temperature 25.0 - 100 °C		7.11 µin/in-°F
@Temperature 77.0 - 212 °F
 13.5 µm/m-°C
@Temperature 25.0 - 200 °C		7.50 µin/in-°F
@Temperature 77.0 - 392 °F
 13.8 µm/m-°C
@Temperature 25.0 - 300 °C		7.67 µin/in-°F
@Temperature 77.0 - 572 °F
 14.1 µm/m-°C
@Temperature 25.0 - 400 °C		7.83 µin/in-°F
@Temperature 77.0 - 752 °F
 14.3 µm/m-°C
@Temperature 25.0 - 500 °C		7.94 µin/in-°F
@Temperature 77.0 - 932 °F
 14.8 µm/m-°C
@Temperature 25.0 - 600 °C		8.22 µin/in-°F
@Temperature 77.0 - 1110 °F
 15.5 µm/m-°C
@Temperature 25.0 - 700 °C		8.61 µin/in-°F
@Temperature 77.0 - 1290 °F
 16.3 µm/m-°C
@Temperature 25.0 - 800 °C		9.06 µin/in-°F
@Temperature 77.0 - 1470 °F
 17.2 µm/m-°C
@Temperature 25.0 - 900 °C		9.56 µin/in-°F
@Temperature 77.0 - 1650 °F
Thermal Conductivity 11.4 W/m-K79.1 BTU-in/hr-ft²-°FRT
 12.6 W/m-K
@Temperature 100 °C		87.4 BTU-in/hr-ft²-°F
@Temperature 212 °F
 14.3 W/m-K
@Temperature 200 °C		99.2 BTU-in/hr-ft²-°F
@Temperature 392 °F
 15.9 W/m-K
@Temperature 300 °C		110 BTU-in/hr-ft²-°F
@Temperature 572 °F
 17.5 W/m-K
@Temperature 400 °C		121 BTU-in/hr-ft²-°F
@Temperature 752 °F
 19.0 W/m-K
@Temperature 500 °C		132 BTU-in/hr-ft²-°F
@Temperature 932 °F
 20.6 W/m-K
@Temperature 600 °C		143 BTU-in/hr-ft²-°F
@Temperature 1110 °F
 22.2 W/m-K
@Temperature 700 °C		154 BTU-in/hr-ft²-°F
@Temperature 1290 °F
 23.8 W/m-K
@Temperature 800 °C		165 BTU-in/hr-ft²-°F
@Temperature 1470 °F
 25.4 W/m-K
@Temperature 900 °C		176 BTU-in/hr-ft²-°F
@Temperature 1650 °F
 27.1 W/m-K
@Temperature 1000 °C		188 BTU-in/hr-ft²-°F
@Temperature 1830 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 0.50 %0.50 %
Boron, B 0.0090 %0.0090 %
Carbon, C 0.050 %0.050 %
Chromium, Cr 18 %18 %
Cobalt, Co <= 1.0 %<= 1.0 %
Copper, Cu <= 0.10 %<= 0.10 %
Iron, Fe 19 %19 %
Manganese, Mn <= 0.35 %<= 0.35 %
Molybdenum, Mo 3.0 %3.0 %
Nickel, Ni 52 %52 %As Remainder
Niobium, Nb (Columbium, Cb) 5.0 %5.0 %Includes Ta
Silicon, Si <= 0.35 %<= 0.35 %
Titanium, Ti 0.90 %0.90 %

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NH718A / 16763

Ensinger PEI




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