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Special Metals INCONEL® 718SPF™ Nickel Superalloy, Annealed + Aged
| 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 + Aged.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
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. Typical aging - 1750°F (954°C)/1 h/AC plus 1325°F (719°C)/8 h/FC at 100°F (56°C)/h to 1150°F (621°C) plus 1150°F (621°C)/8 h/AC. Heat capacity, melting range, moduli, and Poisson's ratio reported herein are typical of INCONEL® alloy 718SPF (not necessarily annealed + aged samples).Data provided by the manufacturer, Special Metals.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 8.22 g/cc | 0.297 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 45 | 45 | |
| Tensile Strength, Ultimate | 1550 MPa | 225000 psi | |
| Tensile Strength, Yield | 1390 MPa @Strain 0.200 % |
202000 psi @Strain 0.200 % |
|
| Elongation at Break | 16 % | 16 % | |
| Modulus of Elasticity | 205 GPa | 29700 ksi | cold-rolled, heat treated sheet |
| Poissons Ratio | 0.294 | 0.294 | 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 |
| 13.77 µm/m-°C @Temperature 21.0 - 316 °C |
7.650 µin/in-°F @Temperature 69.8 - 601 °F |
Mean | |
| 14.4 µm/m-°C @Temperature 21.0 - 538 °C |
8.00 µin/in-°F @Temperature 69.8 - 1000 °F |
Mean | |
| Specific Heat Capacity | 0.435 J/g-°C | 0.104 BTU/lb-°F | |
| Thermal Conductivity | 11.4 W/m-K | 79.1 BTU-in/hr-ft²-°F | |
| 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 | 0.000120 ohm-cm | 0.000120 ohm-cm | |
| Magnetic Permeability | 1.0011 | 1.0011 | at 200 Oersted (15.9 kA/m);Annealed |
| Curie Temperature | -113 °C | -171 °F |
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