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Rulon Bearings

Crucible Steel CPM® REX® M35HCHS High Speed Steel, AISI M35
Categories: Metal; Ferrous Metal; Tool Steel

Material Notes: CPM REX M35HCHS is a 5% cobalt modification of M2 high speed steel used almost exclusively for hobs and other gear cutting tools where higher red hardness is required. Made by the Crucible Particle Metallurgy process, CPM REX M35HCHS has excellent machinability and grindability characteristics.

Information provided by Crucible Industries

Key Words: AISI M35
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 8.11 g/cc0.293 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 225 - 255225 - 255
Hardness, Rockwell C 6666hardened at 2150°F
 52
@Tempering Temp. 649 °C
52
@Tempering Temp. 1200 °F
hardened at 2150°F then tempered
 57
@Tempering Temp. 621 °C
57
@Tempering Temp. 1150 °F
hardened at 2150°F then tempered
 61
@Tempering Temp. 593 °C
61
@Tempering Temp. 1100 °F
hardened at 2150°F then tempered
 62.5
@Tempering Temp. 566 °C
62.5
@Tempering Temp. 1050 °F
hardened at 2150°F then tempered
 63
@Tempering Temp. 551.7 °C
63
@Tempering Temp. 1025 °F
hardened at 2150°F then tempered
 64
@Tempering Temp. 538 °C
64
@Tempering Temp. 1000 °F
hardened at 2150°F then tempered
Modulus of Elasticity 207 GPa30000 ksi
 
Thermal PropertiesMetricEnglishComments
CTE, linear  11.3 µm/m-°C
@Temperature 21.1 - 399 °C
6.30 µin/in-°F
@Temperature 70.0 - 750 °F
 11.5 µm/m-°C
@Temperature 21.1 - 593 °C
6.40 µin/in-°F
@Temperature 70.0 - 1100 °F
 
Processing PropertiesMetricEnglishComments
Processing Temperature 827 °C1520 °FCritical Thermal Treatment Temperature
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.98 %0.98 %
Chromium, Cr 4.05 %4.05 %
Cobalt, Co 5.0 %5.0 %
Iron, Fe 75.65 %75.65 %as balance
Manganese, Mn 0.70 %0.70 %
Molybdenum, Mo 5.0 %5.0 %
Silicon, Si 0.40 %0.40 %
Sulfur, S 0.22 %0.22 %
Tungsten, W 6.0 %6.0 %
Vanadium, V 2.0 %2.0 %

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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