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Special Metals INCONEL® 706 Precipitation Hardening Alloy, Forged Disc, 3 Part Heat Treatment

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy , Iron Base
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCONEL®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCONEL® 706 Precipitation Hardening Alloy, Forged Disc, 3 Part Heat Treatment.pdf
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Material Notes:
Tensile strength (ultimate and yield), reduction of area, and elongation values reported here are typical for Forged Disc, 3 Part Heat Treatment samples. Density and magnetic permeability are typical of precipitation hardened INCONEL® alloy 706. Other property values are typical of INCONEL® alloy 706.For optimum creep and rupture properties, the alloy receives a three part heat treatment as follows: Solution treat 1700-1850°F (925-1010°C) for a time commensurate with section size, then air cool. Stabilizing treatment 1550°F (845°C)/3 hr, air cool. Precipitation treatment 1325°F (720°C)/8 hr, furnace cool at 100°F (55°C)/hr to 1150°F (620°C)/8 hr, air cool.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.08 g/cc
0.292 lb/in³
Precipitation Hardened
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 1245 MPa
180500 psi
Tensile Strength, Yield 979 MPa

@Strain 0.200 %
 142000 psi

@Strain 0.200 %
Elongation at Break 17 %
17 %
Reduction of Area 19 %
19 %
Modulus of Elasticity 210 GPa
30500 ksi
Dynamic Method
Poissons Ratio 0.382
0.382
Calculated by mfr.
Shear Modulus 76.0 GPa
11000 ksi
Dynamic Method
Thermal Properties Metric English Comments
CTE, linear 13.46 µm/m-°C

@Temperature 24.0 - 100 °C
 7.478 µin/in-°F

@Temperature 75.2 - 212 °F
 Mean
15.08 µm/m-°C

@Temperature 24.0 - 300 °C
 8.378 µin/in-°F

@Temperature 75.2 - 572 °F
 Mean
15.59 µm/m-°C

@Temperature 24.0 - 500 °C
 8.661 µin/in-°F

@Temperature 75.2 - 932 °F
 Mean
16.42 µm/m-°C

@Temperature 21.0 - 700 °C
 9.122 µin/in-°F

@Temperature 69.8 - 1290 °F
 Mean
Specific Heat Capacity 0.444 J/g-°C
0.106 BTU/lb-°F
Thermal Conductivity 12.5 W/m-K
86.8 BTU-in/hr-ft²-°F
Melting Point 1334 - 1371 °C
2433 - 2500 °F
Solidus 1334 °C
2433 °F
Liquidus 1371 °C
2500 °F
Component Elements Properties Metric English Comments
Aluminum, Al <= 0.060 %
<= 0.060 %
Boron, B <= 0.0060 %
<= 0.0060 %
Carbon, C <= 0.30 %
<= 0.30 %
Chromium, Cr 14.5 - 17.5 %
14.5 - 17.5 %
Cobalt, Co <= 1.0 %
<= 1.0 %
Copper, Cu <= 0.35 %
<= 0.35 %
Iron, Fe 38 %
38 %
As remainder
Manganese, Mn <= 0.35 %
<= 0.35 %
Nickel, Ni 39 - 44 %
39 - 44 %
Including Cobalt
Niobium, Nb (Columbium, Cb) 2.5 - 3.3 %
2.5 - 3.3 %
Includes Ta
Phosphorous, P <= 0.020 %
<= 0.020 %
Silicon, Si <= 0.35 %
<= 0.35 %
Sulfur, S <= 0.015 %
<= 0.015 %
Titanium, Ti <= 0.40 %
<= 0.40 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000985 ohm-cm
0.0000985 ohm-cm
Magnetic Permeability 1.01
1.01
at 200 Oersted (15.9 kA/m);Annealed
Curie Temperature <= -78.0 °C
<= -108 °F
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