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Crucible Compaction Metals CPM® VIM CRU® 20®

Category Metal , Ferrous Metal , Tool Steel
Manufacturer Crucible Compaction Metals
Trade Name CPM® VIM CRU®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Crucible Compaction Metals CPM® VIM CRU® 20®.pdf
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Material Notes:
CPM® VIM CRU® 20® is a vacuum induction melted, cobalt-free super high speed steel manufactured by the Crucible Particle Metallurgy (CPM®) process. VIM CRU processing is designed to meet the cleanliness and property requirements needed for critical bearing applications.Advantages:High Attainable Hardness Excellent Hot Hardness Fine Carbide Size Uniform Carbide Distribution Excellent Wear ResistanceInformation provided by Crucible Compaction Metals.
Physical Properties Metric English Comments
Density 8.172 g/cc
0.2952 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 262 - 285
262 - 285
Annealed
Hardness, Rockwell C 52
52
650°C Tempering Temperature;1150°C Hardening Temperature for 10 minutes
54
54
650°C Tempering Temperature;1175°C Hardening Temperature for 5 minutes
57
57
650°C Tempering Temperature;1205°C Hardening Temperature for 3 minutes
61.5
61.5
595°C Tempering Temperature;1150°C Hardening Temperature for 10 minutes
63
63
595°C Tempering Temperature;1175°C Hardening Temperature for 5 minutes
63
63
As-Quenched; 1205°C Hardening Temperature for 3 minutes
65
65
As-Quenched; 1175°C Hardening Temperature for 5 minutes
65
65
595°C Tempering Temperature;1205°C Hardening Temperature for 3 minutes
66
66
As-Quenched; 1150°C Hardening Temperature for 10 minutes
Modulus of Elasticity 234 GPa
34000 ksi
Flexural Strength 3957 MPa
573900 psi
1150°C Hardening Temperature, 550°C Tempering Temperature; 65.6 Rockwell Hardness C
4005 MPa
580900 psi
1190°C Hardening Temperature, 550°C Tempering Temperature; 67 Rockwell Hardness C
Machinability 35 %
35 %
Based on W1 tool steel = 100%
Charpy Impact 16.3 J
12.0 ft-lb
1190°C Hardening Temperature, 550°C Tempering Temperature; 67 Rockwell Hardness C
17.6 J
13.0 ft-lb
1150°C Hardening Temperature, 550°C Tempering Temperature; 65.6 Rockwell Hardness C
Thermal Properties Metric English Comments
CTE, linear 11.2 µm/m-°C

@Temperature 38.0 - 260 °C
6.22 µin/in-°F

@Temperature 100 - 500 °F
12.4 µm/m-°C

@Temperature 38.0 - 540 °C
6.89 µin/in-°F

@Temperature 100 - 1000 °F
Shrinkage 0.220 %
0.220 %
During hardening; 1190°C Hardening Temperature, 550°C Tempering Temperature, 67.5 Rockwell C Hardness
Component Elements Properties Metric English Comments
Carbon, C 1.35 %
1.35 %
Chromium, Cr 3.75 %
3.75 %
Iron, Fe 75.5 %
75.5 %
As Balance
Manganese, Mn 0.35 %
0.35 %
Molybdenum, Mo 10.5 %
10.5 %
Silicon, Si 0.25 %
0.25 %
Sulfur, S <= 0.035 %
<= 0.035 %
Tungsten, W 6.25 %
6.25 %
Vanadium, V 2.0 %
2.0 %
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