Kennametal Stellite Stellite® 98M2 with P/M Processing

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Kennametal Stellite Stellite® 98M2 with P/M Processing
Categories:	Metal; Nonferrous Metal; Cobalt Alloy; Superalloy
Material Notes:	Adhesive wear test data P/M 0.58 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.
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Physical Properties	Original Value	Comments

Density	8.45 g/cc	P/M (98%)
	8.63 g/cc	Theoretical

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	58	Hot hardness.
Tensile Strength, Ultimate	794 MPa
	656 MPa @Temperature 760 °C
	690 MPa @Temperature 649 °C
	725 MPa @Temperature 538 °C
Elongation at Break	0.30 %	in 25.4 mm
	0.30 % @Temperature 538 °C	in 25.4 mm
	0.50 % @Temperature 649 °C	in 25.4 mm
	0.50 % @Temperature 760 °C	in 25.4 mm

Electrical Properties	Original Value	Comments
Magnetic Permeability	<= 1.2 @Temperature 22.0 °C	116 Oersted

Thermal Properties	Original Value	Comments
CTE, linear	10.8 µm/m-°C @Temperature 20.0 - 100 °C
	11.1 µm/m-°C @Temperature 20.0 - 200 °C
	11.5 µm/m-°C @Temperature 20.0 - 300 °C
	11.7 µm/m-°C @Temperature 20.0 - 400 °C
	12.1 µm/m-°C @Temperature 20.0 - 500 °C
	12.7 µm/m-°C @Temperature 20.0 - 600 °C
	13.0 µm/m-°C @Temperature 20.0 - 700 °C
	13.4 µm/m-°C @Temperature 20.0 - 800 °C
	13.7 µm/m-°C @Temperature 20.0 - 900 °C
	14.1 µm/m-°C @Temperature 20.0 - 1000 °C
Melting Point	1224 - 1275 °C
Solidus	1224 °C
Liquidus	1275 °C

Component Elements Properties	Original Value	Comments
Boron, B	1.0 %
Carbon, C	2.0 %
Chromium, Cr	30 %
Cobalt, Co	31 %	As remainder
Iron, Fe	<= 5.0 %
Manganese, Mn	<= 1.0 %
Molybdenum, Mo	<= 0.80 %
Nickel, Ni	3.5 %
Other	<= 2.0 %
Silicon, Si	<= 1.0 %
Tungsten, W	18.5 %
Vanadium, V	4.2 %

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NS98MA / 18889

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