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Latrobe CBS-50â„¢ NiL VIM-VAR High Performance Carburizing Bearing and Gear Steel

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel
Manufacturer Latrobe Steel
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe CBS-50â„¢ NiL VIM-VAR High Performance Carburizing Bearing and Gear Steel.pdf
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Material Notes:
CBS-50 NiL VIM-VAR is a carburizing bearing and gear steel designed for service temperatures up to 600°F. The chemistry is engineered such that when suitably carburized and heat treated the case will have a microstructure of fine tempered martensite with an even distribution of fine carbides. The primary advantage of CBS-50 NiL VIM-VAR steel over conventional through hardening M50 is the relatively high fracture toughness properties of the core. Because the alloy can be carburized, surface stresses can be controlled to provide excellent rolling contact fatigue characteristics.Information provided by Latrobe.
Physical Properties Metric English Comments
Density 7.86 g/cc
0.284 lb/in³
Mechanical Properties Metric English Comments
Modulus of Elasticity 203 GPa
29500 ksi
Charpy Impact 30.0 - 50.0 J

@Temperature -17.8 °C
22.1 - 36.9 ft-lb

@Temperature 0.000 °F
Thermal Properties Metric English Comments
CTE, linear 11.2 µm/m-°C

@Temperature 21.0 - 204 °C
6.22 µin/in-°F

@Temperature 69.8 - 399 °F
12.0 µm/m-°C

@Temperature 21.0 - 427 °C
6.67 µin/in-°F

@Temperature 69.8 - 801 °F
Transformation Temperature 215 °C
419 °F
Martensitic Finish
332 °C
630 °F
Martensitic Start
Component Elements Properties Metric English Comments
Carbon, C 0.13 %
0.13 %
Chromium, Cr 4.2 %
4.2 %
Iron, Fe 86.37 %
86.37 %
Manganese, Mn 0.25 %
0.25 %
Molybdenum, Mo 4.25 %
4.25 %
Nickel, Ni 3.4 %
3.4 %
Silicon, Si 0.20 %
0.20 %
Vanadium, V 1.2 %
1.2 %
Chemical Properties Metric English Comments
Critical Temperature 738 °C
1360 °F
Core Ac1
960 °C
1760 °F
Core Ac3
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