Special Metals UDIMET® alloy R41 Ni-Cr Alloy

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Special Metals UDIMET® alloy R41 Ni-Cr Alloy
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	UDIMET® alloy R41 (UNS N07041) is a precipitation-hardenable nickel-chromium alloy containing significant amounts of cobalt and molybdenum, along with lesser amounts of aluminum and titanium. Alloy R41 exhibits extremely high room and elevated temperature mechanical properties. Excellent corrosion resistance and fabricability have led to wide usage in critical aircraft engine components such as nozzle partitions, turbine blades and wheels, combustion chamber liners and structural hardware. Information Provided by Special Metals Corporation
Key Words:	UNS N07041; AMS 5545, 5712, 5713
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Physical Properties	Metric	English	Comments

Density	8.25 g/cc	0.298 lb/in³

Mechanical Properties	Metric	English	Comments
Rupture Strength	76.0 MPa @Temperature 927 °C, Time 3.60e+6 sec	11000 psi @Temperature 1700 °F, Time 1000 hour
	117 MPa @Temperature 871 °C, Time 3.60e+6 sec	17000 psi @Temperature 1600 °F, Time 1000 hour
	200 MPa @Temperature 816 °C, Time 3.60e+6 sec	29000 psi @Temperature 1500 °F, Time 1000 hour
	345 MPa @Temperature 760 °C, Time 3.60e+6 sec	50000 psi @Temperature 1400 °F, Time 1000 hour
	550 MPa @Temperature 704 °C, Time 3.60e+6 sec	79800 psi @Temperature 1300 °F, Time 1000 hour
	705 MPa @Temperature 649 °C, Time 3.60e+6 sec	102000 psi @Temperature 1200 °F, Time 1000 hour

Thermal Properties	Metric	English	Comments
CTE, linear	11.9 µm/m-°C @Temperature 93.0 °C	6.61 µin/in-°F @Temperature 199 °F
Specific Heat Capacity	0.435 J/g-°C	0.104 BTU/lb-°F
Thermal Conductivity	9.00 W/m-K	62.5 BTU-in/hr-ft²-°F
Melting Point	1232 - 1391 °C	2250 - 2536 °F
Solidus	1232 °C	2250 °F
Liquidus	1391 °C	2536 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	1.4 - 1.8 %	1.4 - 1.8 %
Boron, B	0.0030 - 0.010 %	0.0030 - 0.010 %
Carbon, C	<= 0.12 %	<= 0.12 %
Chromium, Cr	18 - 20 %	18 - 20 %
Cobalt, Co	10 - 12 %	10 - 12 %
Iron, Fe	<= 5.0 %	<= 5.0 %
Molybdenum, Mo	9.0 - 10.5 %	9.0 - 10.5 %
Nickel, Ni	47.27 - 58.597 %	47.27 - 58.597 %	Balance
Titanium, Ti	3.0 - 3.3 %	3.0 - 3.3 %

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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NINDA21 / 98912

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