Kennametal Stellite Stellite® 31 PM after P/M processing, aged 8 hours at 802°C air cooled

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Kennametal Stellite Stellite® 31 PM after P/M processing, aged 8 hours at 802°C air cooled
Categories:	Metal; Nonferrous Metal; Cobalt Alloy; Superalloy
Material Notes:	Typical applications include vane plugs, fuel metering pins, spacer bushings, ball bearing blanks, race bearing blanks, diesel engine exhaust, fluid valve seats, saw cutter inserts, miscellaneous wear parts. Data provided by the manufacturer, Deloro Stellite Inc. Product of former Deloro Stellite Inc.
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	Metric	English	Comments

Density	8.45 g/cc	0.305 lb/in³	P/M (98%)
	8.61 g/cc	0.311 lb/in³	Theoretical

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	1035 MPa	150100 psi
Tensile Strength, Yield	725 MPa @Strain 0.2 %	105000 psi @Strain 0.2 %
Elongation at Break	1.5 %	1.5 %	in 25.4 mm

Thermal Properties	Metric	English	Comments
CTE, linear	14.1 µm/m-°C @Temperature 21.0 - 316 °C	7.83 µin/in-°F @Temperature 69.8 - 601 °F
	14.5 µm/m-°C @Temperature 21.0 - 427 °C	8.06 µin/in-°F @Temperature 69.8 - 801 °F
	15.1 µm/m-°C @Temperature 21.0 - 538 °C	8.39 µin/in-°F @Temperature 69.8 - 1000 °F
	15.7 µm/m-°C @Temperature 21.1 - 649 °C	8.72 µin/in-°F @Temperature 70.0 - 1200 °F
	16.5 µm/m-°C @Temperature 21.1 - 816 °C	9.17 µin/in-°F @Temperature 70.0 - 1500 °F
	16.6 µm/m-°C @Temperature 21.1 - 871 °C	9.22 µin/in-°F @Temperature 70.0 - 1600 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	0.50 %	0.50 %
Chromium, Cr	25.5 %	25.5 %
Cobalt, Co	50 %	50 %	As remainder
Iron, Fe	<= 2.0 %	<= 2.0 %
Manganese, Mn	<= 1.0 %	<= 1.0 %
Nickel, Ni	10.5 %	10.5 %
Other	<= 2.0 %	<= 2.0 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.040 %	<= 0.040 %
Tungsten, W	7.5 %	7.5 %

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NS31PI / 18869

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