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Special Metals INCONEL® Alloy 625

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® Alloy 625.pdf
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Material Notes:
Niobium content includes tantalum. A nickel-chromium-molybdenum alloy with an addition of niobium that acts with the molybdenum to stiffen the alloy's matrix and thereby provide high strength without a strengthening heat treatment. The alloy resists a wide range of severely corrosive environments and is especially resistant to pitting and crevice corrosion. Used in chemical processing, aerospace and marine engineering, pollution-control equipment, and nuclear reactors. Standard product forms are round, flats, forging stock, extruded section, pipe, tube, plate, sheet, strip, and wire.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.44 g/cc
0.305 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 880 MPa
128000 psi
Annealed
760 MPa

@Temperature 650 °C
110000 psi

@Temperature 1200 °F
Annealed prior to test
Tensile Strength, Yield 460 MPa
66700 psi
Annealed
290 MPa

@Temperature 650 °C
42100 psi

@Temperature 1200 °F
Annealed prior to test
Elongation at Break 50 %
50 %
Annealed prior to test.
55 %

@Temperature 650 °C
55 %

@Temperature 1200 °F
Annealed prior to test.
Thermal Properties Metric English Comments
CTE, linear 12.8 µm/m-°C

@Temperature 20.0 - 100 °C
7.11 µin/in-°F

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.410 J/g-°C
0.0980 BTU/lb-°F
Thermal Conductivity 9.80 W/m-K
68.0 BTU-in/hr-ft²-°F
Melting Point 1290 - 1350 °C
2350 - 2460 °F
Solidus 1290 °C
2350 °F
Liquidus 1350 °C
2460 °F
Component Elements Properties Metric English Comments
Aluminum, Al <= 0.40 %
<= 0.40 %
Carbon, C <= 0.10 %
<= 0.10 %
Chromium, Cr 20 - 23 %
20 - 23 %
Cobalt, Co <= 1.0 %
<= 1.0 %
Iron, Fe <= 5.0 %
<= 5.0 %
Manganese, Mn <= 0.50 %
<= 0.50 %
Molybdenum, Mo 8.0 - 10 %
8.0 - 10 %
Nickel, Ni >= 58 %
>= 58 %
Niobium, Nb (Columbium, Cb) 3.15 - 4.15 %
3.15 - 4.15 %
Includes Ta
Phosphorous, P <= 0.015 %
<= 0.015 %
Silicon, Si <= 0.50 %
<= 0.50 %
Sulfur, S <= 0.015 %
<= 0.015 %
Titanium, Ti <= 0.40 %
<= 0.40 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000129 ohm-cm
0.000129 ohm-cm
Magnetic Permeability 1.0006
1.0006
at 200 oersted (15.9 kA/m)
Curie Temperature <= -196 °C
<= -321 °F
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