Special Metals INCOLOY® Alloy 907

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Special Metals INCOLOY® Alloy 907
Categories:	Metal; Superalloy; Iron Base
Material Notes:	A nickel-iron-cobalt alloy with additions of niobium and titanium for precipitation hardening. It has the low coefficient of expansion and high strength of INCOLOY alloy 903 but with improved notch-rupture properties at elevated temperatures. Used for components of gas turbines including seals, shafts, and casings. Standard product forms are round, flats, forging stock, extruded section, and wire. Data provided by the manufacturer, Special Metals.
Key Words:	UNS N19907
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	8.33 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1140 MPa @Temperature 550 °C	Precipitation Hardened prior to test
	1350 MPa @Temperature 23.0 °C
Tensile Strength, Yield	1100 MPa @Strain 0.2 %	Precipitation Hardened. Value at room temperature
	970 MPa @Strain 0.2 %, Temperature 550 °C	Precipitation Hardened prior to test
Elongation at Break	10 %	Precipitation Hardened
	10 % @Temperature 550 °C	Precipitation Hardened prior to test.

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000697 ohm-cm
Curie Temperature	400 - 455 °C

Thermal Properties	Original Value	Comments
CTE, linear	7.70 µm/m-°C @Temperature 20.0 - 427 °C
Specific Heat Capacity	0.431 J/g-°C
Thermal Conductivity	14.8 W/m-K
Melting Point	1335 - 1400 °C
Solidus	1335 °C
Liquidus	1400 °C

Component Elements Properties	Original Value	Comments
Aluminum, Al	0.030 %
Cobalt, Co	13 %
Iron, Fe	42 %
Nickel, Ni	38 %
Niobium, Nb (Columbium, Cb)	4.7 %
Silicon, Si	0.15 %
Titanium, Ti	1.5 %

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NINC85 / 17428

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