Special Metals INCONEL® 725 Nickel Superalloy (UNS N07725), Age Hardened Round

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Special Metals INCONEL® 725 Nickel Superalloy (UNS N07725), Age Hardened Round
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	Tensile strength (ultimate and yield), hardness, impact, and elongation values reported here are typical for Age Hardened Round samples. Other property values are typical of INCONEL® alloy 725. Data provided by the manufacturer, Special Metals.
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Physical Properties	Metric	English	Comments

Density	8.30 g/cc	0.300 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	36	36	Same value for longitudinal and transverse
Tensile Strength, Ultimate	1240 MPa	180000 psi	Same value for longitudinal and transverse
Tensile Strength, Yield	903 MPa @Strain 0.2 %	131000 psi @Strain 0.2 %	Longitudinal
	917 MPa @Strain 0.2 %	133000 psi @Strain 0.2 %	Transverse
Elongation at Break	30 %	30 %
Modulus of Elasticity	204 GPa	29600 ksi
Poissons Ratio	0.31	0.31
Shear Modulus	78.0 GPa	11300 ksi
Charpy Impact	65.0 J	47.9 ft-lb	Longitudinal; Notch status not reported
	88.0 J	64.9 ft-lb	Transverse; Notch status not reported

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000130 ohm-cm	0.000130 ohm-cm
Magnetic Permeability	<= 1.001	<= 1.001	at 200 Oersted (15.9 kA/m)

Thermal Properties	Metric	English	Comments
CTE, linear	13.0 µm/m-°C @Temperature 21.0 - 100 °C	7.22 µin/in-°F @Temperature 69.8 - 212 °F	Mean
	13.4 µm/m-°C @Temperature 21.0 - 300 °C	7.44 µin/in-°F @Temperature 69.8 - 572 °F	Mean
	14.1 µm/m-°C @Temperature 21.0 - 500 °C	7.83 µin/in-°F @Temperature 69.8 - 932 °F	Mean
Thermal Conductivity	10.6 W/m-K	73.6 BTU-in/hr-ft²-°F
Melting Point	1271 - 1343 °C	2320 - 2449 °F
Solidus	1271 °C	2320 °F
Liquidus	1343 °C	2449 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	<= 0.35 %	<= 0.35 %
Carbon, C	<= 0.030 %	<= 0.030 %
Chromium, Cr	19 - 22.5 %	19 - 22.5 %
Iron, Fe	9.0 %	9.0 %	As remainder
Manganese, Mn	<= 0.35 %	<= 0.35 %
Molybdenum, Mo	7.0 - 9.5 %	7.0 - 9.5 %
Nickel, Ni	55 - 59 %	55 - 59 %
Niobium, Nb (Columbium, Cb)	2.75 - 4.0 %	2.75 - 4.0 %
Phosphorus, P	<= 0.015 %	<= 0.015 %
Silicon, Si	<= 0.20 %	<= 0.20 %
Sulfur, S	<= 0.010 %	<= 0.010 %
Titanium, Ti	1.0 - 1.7 %	1.0 - 1.7 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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