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Metalmen Sales

Kennametal Stellite Stellite® STAR with P/M Processing
Categories: Metal; Nonferrous Metal; Cobalt Alloy; Superalloy
Material Notes: Applications: Vane plugs, fuel metering pins, spacer bushings, ball bearing blanks, race bearing blanks, diesel engine exhaust, fluid valve seats, saw cutter inserts, wear pads, pins, balls, hardfaces when crack free deposits are not required.

Corrosion: Corrosion resistance similar to Stellite alloy 3, but inferior to Stellite alloy 6. Excellent oxidation resistance at low temperatures, but not recommended for reducing environments. Corrosion will vary depending on concentration, temperature, stress, and type of contaminants so exposure tests are recommended.

Machinability: Stress relieve before and during machining by holding at 900°C (1650°F) for four hours and slow cool.

Wear: High tungsten content results in excellent hot hardness and low stress abrasion resistance superior to Stellite alloy 3. Wear resistance is similar to Stellite alloy 3 and is non-galling when mated with other Stellite alloys.

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.

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Physical PropertiesMetricEnglishComments
Density 8.58 g/cc0.310 lb/in³P/M (98%)
 8.76 g/cc0.316 lb/in³Theoretical
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell  291
@Temperature 760 °C		291
@Temperature 1400 °F		Converted from Rockwell C hardness
 394
@Temperature 649 °C		394
@Temperature 1200 °F		Converted from Rockwell C hardness
Hardness, Knoop  345
@Temperature 760 °C		345
@Temperature 1400 °F		Converted from Rockwell C hardness
 473
@Temperature 649 °C		473
@Temperature 1200 °F		Converted from Rockwell C hardness
Hardness, Rockwell A  66
@Temperature 760 °C		66
@Temperature 1400 °F		Converted from Rockwell C hardness
 72
@Temperature 649 °C		72
@Temperature 1200 °F		Converted from Rockwell C hardness
Hardness, Rockwell C 5656Hot hardness.
 31
@Temperature 760 °C		31
@Temperature 1400 °F		Hot hardness.
 43
@Temperature 649 °C		43
@Temperature 1200 °F		Hot hardness.
 52
@Temperature 538 °C		52
@Temperature 1000 °F		Hot hardness.
Hardness, Vickers  302
@Temperature 760 °C		302
@Temperature 1400 °F		Converted from Rockwell C hardness
 416
@Temperature 649 °C		416
@Temperature 1200 °F		Converted from Rockwell C hardness
Tensile Strength, Ultimate 523 MPa75900 psi
 539 MPa
@Temperature 538 °C		78200 psi
@Temperature 1000 °F
 569 MPa
@Temperature 649 °C		82500 psi
@Temperature 1200 °F
 573 MPa
@Temperature 760 °C		83100 psi
@Temperature 1400 °F
Elongation at Break 0.10 %0.10 %in 25.4 mm
 0.10 %
@Temperature 538 °C		0.10 %
@Temperature 1000 °F		in 25.4 mm
 0.10 %
@Temperature 649 °C		0.10 %
@Temperature 1200 °F		in 25.4 mm
 0.10 %
@Temperature 760 °C		0.10 %
@Temperature 1400 °F		in 25.4 mm
Modulus of Elasticity 258 GPa37400 ksi
 
Electrical PropertiesMetricEnglishComments
Magnetic Permeability <= 1.2
@Temperature 22.0 °C		<= 1.2
@Temperature 71.6 °F		200 Oersted
 
Thermal PropertiesMetricEnglishComments
CTE, linear  12.0 µm/m-°C
@Temperature 0.000 - 100 °C		6.67 µin/in-°F
@Temperature 32.0 - 212 °F
 12.1 µm/m-°C
@Temperature 0.000 - 200 °C		6.72 µin/in-°F
@Temperature 32.0 - 392 °F
 12.2 µm/m-°C
@Temperature 0.000 - 300 °C		6.78 µin/in-°F
@Temperature 32.0 - 572 °F
 12.3 µm/m-°C
@Temperature 0.000 - 400 °C		6.83 µin/in-°F
@Temperature 32.0 - 752 °F
 12.6 µm/m-°C
@Temperature 0.000 - 500 °C		7.00 µin/in-°F
@Temperature 32.0 - 932 °F
 12.8 µm/m-°C
@Temperature 0.000 - 600 °C		7.11 µin/in-°F
@Temperature 32.0 - 1110 °F
 13.2 µm/m-°C
@Temperature 0.000 - 700 °C		7.33 µin/in-°F
@Temperature 32.0 - 1290 °F
 13.6 µm/m-°C
@Temperature 0.000 - 800 °C		7.56 µin/in-°F
@Temperature 32.0 - 1470 °F
 14.3 µm/m-°C
@Temperature 0.000 - 900 °C		7.94 µin/in-°F
@Temperature 32.0 - 1650 °F
 15.1 µm/m-°C
@Temperature 0.000 - 1000 °C		8.39 µin/in-°F
@Temperature 32.0 - 1830 °F
Melting Point 1215 - 1299 °C2219 - 2370 °F
Solidus 1215 °C2219 °F
Liquidus 1299 °C2370 °F
 
Component Elements PropertiesMetricEnglishComments
Boron, B <= 1.0 %<= 1.0 %
Carbon, C 2.5 %2.5 %
Chromium, Cr 32.5 %32.5 %
Cobalt, Co 36.5 %36.5 %As remainder
Iron, Fe 3.0 %3.0 %
Manganese, Mn 1.0 %1.0 %
Nickel, Ni 3.0 %3.0 %
Other <= 2.0 %<= 2.0 %
Silicon, Si 1.0 %1.0 %
Tungsten, W 17.5 %17.5 %

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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NSJMPA / 19187

Visit Zeus Inc. for PEEK Tubing




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