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Crucible Steel CPM® REX® M35HCHS High Speed Steel, AISI M35

Category Metal , Ferrous Metal , Tool Steel
Manufacturer Crucible Steel
Trade Name CPM® REX®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Crucible Steel CPM® REX® M35HCHS High Speed Steel, AISI M35.pdf
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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
Physical Properties Metric English Comments
Density 8.11 g/cc
0.293 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 225 - 255
225 - 255
Hardness, Rockwell C 66
66
hardened 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 GPa
30000 ksi
Thermal Properties Metric English Comments
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
Component Elements Properties Metric English Comments
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 %
Chemical Properties Metric English Comments
Critical Temperature 827 °C
1520 °F
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