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Ensinger PEI

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AISI Type T15 Tungsten High Speed Tool Steel (UNS T12015)
Categories: Metal; Ferrous Metal; Tool Steel
Material Notes: Used in high speed tool and cutting applications such as drills, milling processes, reamers, etc. Tungsten content promotes high temperature hardness and wear resistance. Quench via oil, air, or salt bath.
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Physical PropertiesOriginal ValueComments
Density 8.19 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell C 64 - 68After typical heat treatment
 
Thermal PropertiesOriginal ValueComments
CTE, linear 9.90 µm/m-°C
@Temperature 20.0 - 200 °C
 11.0 µm/m-°C
@Temperature 20.0 - 425 °C
 11.5 µm/m-°C
@Temperature 20.0 - 540 °C
 
Processing PropertiesOriginal ValueComments
Processing Temperature 540 - 650 °CTempering
 1205 - 1260 °CHardening
Annealing Temperature 870 - 900 °C
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 1.5 - 1.6 %
Chromium, Cr 3.75 - 5.0 %
Cobalt, Co 4.75 - 5.25 %
Copper, Cu <= 0.25 %
Iron, Fe 67.5 - 73.4 %As Balance
Manganese, Mn 0.15 - 0.40 %
Molybdenum, Mo <= 1.0 %
Nickel, Ni <= 0.30 %
Phosphorus, P <= 0.030 %
Silicon, Si 0.15 - 0.40 %
Sulfur, S <= 0.030 %0.06 to 0.15% may be specified to improve machinability
Tungsten, W 11.75 - 13 %
Vanadium, V 4.5 - 5.25 %

References for this datasheet.

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