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Special Metals INCONEL® 718SPF™ Nickel Superalloy, Annealed

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCONEL®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCONEL® 718SPF™ Nickel Superalloy, Annealed.pdf
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Material Notes:
Typical annealing - continuous process anneal, 1700°F (927°C) at 15 ft (4.57 m) per minute. This produces ASTM No. 12 grain size. Heat capacity, melting range, moduli, and Poisson's ratio reported herein are typical of INCONEL® alloy 718SPF (not necessarily annealed samples).Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.19 g/cc
0.296 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 24
24
Tensile Strength, Ultimate 1120 MPa
162000 psi
Tensile Strength, Yield 827 MPa

@Strain 0.200 %
120000 psi

@Strain 0.200 %
Elongation at Break 31 %
31 %
Modulus of Elasticity 205 GPa
29700 ksi
cold-rolled, heat treated sheet
Poissons Ratio 0.284
0.284
cold-rolled, heat treated sheet
Shear Modulus 80.0 GPa
11600 ksi
cold-rolled, heat treated sheet
Thermal Properties Metric English Comments
CTE, linear 12.15 µm/m-°C

@Temperature 21.0 - 93.0 °C
6.750 µin/in-°F

@Temperature 69.8 - 199 °F
Mean; Annealed and Aged
13.77 µm/m-°C

@Temperature 21.0 - 316 °C
7.650 µin/in-°F

@Temperature 69.8 - 601 °F
Mean; Annealed and Aged
14.4 µm/m-°C

@Temperature 21.0 - 538 °C
8.00 µin/in-°F

@Temperature 69.8 - 1000 °F
Mean; Annealed and Aged
Specific Heat Capacity 0.435 J/g-°C
0.104 BTU/lb-°F
Thermal Conductivity 11.1 W/m-K
77.0 BTU-in/hr-ft²-°F
Annealed at 1800°F(982°C) for 1 h.
Melting Point 1260 - 1335 °C
2300 - 2435 °F
Solidus 1260 °C
2300 °F
Liquidus 1335 °C
2435 °F
Component Elements Properties Metric English Comments
Aluminum, Al 0.20 - 0.80 %
0.20 - 0.80 %
Boron, B <= 0.0060 %
<= 0.0060 %
Carbon, C <= 0.050 %
<= 0.050 %
Chromium, Cr 17 - 21 %
17 - 21 %
Cobalt, Co <= 1.0 %
<= 1.0 %
Copper, Cu <= 0.30 %
<= 0.30 %
Iron, Fe 19 %
19 %
As remainder
Manganese, Mn <= 0.35 %
<= 0.35 %
Molybdenum, Mo 2.8 - 3.3 %
2.8 - 3.3 %
Nickel, Ni 50 - 55 %
50 - 55 %
Including Cobalt
Niobium, Nb (Columbium, Cb) 4.75 - 5.25 %
4.75 - 5.25 %
Includes Ta
Nitrogen, N <= 0.010 %
<= 0.010 %
Phosphorous, P <= 0.015 %
<= 0.015 %
Silicon, Si <= 0.35 %
<= 0.35 %
Sulfur, S <= 0.0020 %
<= 0.0020 %
Titanium, Ti 0.65 - 1.15 %
0.65 - 1.15 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000125 ohm-cm
0.000125 ohm-cm
Magnetic Permeability 1.0013
1.0013
at 200 Oersted (15.9 kA/m);Annealed
Curie Temperature <= -197 °C
<= -323 °F
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