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Special Metals INCOLOY® Alloy 925

Category Metal , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCOLOY®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCOLOY® Alloy 925.pdf
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Material Notes:
A precipitation-hardenable nickel-iron-chromium alloy with additions of molybdenum and copper. It combines the high strength of a precipitation-hardenable alloy with the excellent corrosion resistance of INCOLOY alloy 825. The alloy has outstanding resistance to general corrosion, pitting, crevice corrosion, and stress-corrosion cracking in many aqueous environments including those containing sulfides and chlorides. Used for surface and down-hole hardware in sour gas wells and for oil-production equipment. Standard product forms are round, flats, forging stock, pipe, tube, and wire.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.05 g/cc
0.291 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 970 MPa

@Temperature 550 °C
141000 psi

@Temperature 1020 °F
Precipitation Hardened prior to test
1210 MPa

@Temperature 23.0 °C
175000 psi

@Temperature 73.4 °F
Tensile Strength, Yield 810 MPa

@Strain 0.200 %
117000 psi

@Strain 0.200 %
Precipitation Hardened. Value at room temperature
700 MPa

@Strain 0.200 %,
Temperature 550 °C
102000 psi

@Strain 0.200 %,
Temperature 1020 °F
Precipitation Hardened prior to test
Elongation at Break 24 %
24 %
Precipitation Hardened
25 %

@Temperature 550 °C
25 %

@Temperature 1020 °F
Precipitation Hardened prior to test.
Thermal Properties Metric English Comments
CTE, linear 13.2 µm/m-°C

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

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.435 J/g-°C
0.104 BTU/lb-°F
Melting Point 1311 - 1366 °C
2392 - 2491 °F
Solidus 1311 °C
2392 °F
Liquidus 1366 °C
2491 °F
Component Elements Properties Metric English Comments
Aluminum, Al 0.30 %
0.30 %
Carbon, C 0.010 %
0.010 %
Chromium, Cr 21 %
21 %
Copper, Cu 1.8 %
1.8 %
Iron, Fe 28 %
28 %
Molybdenum, Mo 3.0 %
3.0 %
Nickel, Ni 44 %
44 %
Titanium, Ti 2.1 %
2.1 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000117 ohm-cm
0.000117 ohm-cm
Magnetic Permeability 1.001
1.001
at 200 oersted (15.9 kA/m)
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