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Latrobe Lescalloy® BG42 VIM-VAR High Performance Bearing Steel

Category Metal , Ferrous Metal , Martensitic , Stainless Steel
Manufacturer Latrobe Steel
Trade Name Lescalloy®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe Lescalloy® BG42 VIM-VAR High Performance Bearing Steel.pdf
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Material Notes:
LESCALLOY BG42 VIM-VAR steel is a martensitic, stainless high speed steel that combines the tempering, hot hardness and hardness retention characteristics of M50 high speed steel with the corrosion and oxidation resistance of type 440C stainless. LESCALLOY BG42 VIM-VAR is double vacuum melted (vacuum induction followed by VAC-ARC® remelting) to consistently assure good cleanliness and superior properties. Although often used for aerospace bearings and other critical applications, its excellent wear resistance and corrosion resistance makes it a superior choice for use in cutlery applications.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Physical Properties Metric English Comments
Density 7.75 g/cc
0.280 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 56.5

@Temperature 482 °C
56.5

@Temperature 900 °F
60

@Temperature 316 °C
60

@Temperature 600 °F
63

@Temperature 93.3 °C
63

@Temperature 200 °F
Modulus of Elasticity 220.6 GPa
31990 ksi
180.6 GPa

@Temperature 482 °C
26190 ksi

@Temperature 900 °F
Modulus of Rigidity 70.40 GPa
10210 ksi
At 900°F
86.53 GPa
12550 ksi
At 78°F
Poissons Ratio 0.27
0.27
Machinability 55 - 60 %
55 - 60 %
1% Carbon Steel
Thermal Properties Metric English Comments
CTE, linear 9.81 µm/m-°C

@Temperature -73.0 - 21.0 °C
5.45 µin/in-°F

@Temperature -99.4 - 69.8 °F
11.03 µm/m-°C

@Temperature 21.0 - 149 °C
6.128 µin/in-°F

@Temperature 69.8 - 300 °F
12.33 µm/m-°C

@Temperature 21.0 - 538 °C
6.850 µin/in-°F

@Temperature 69.8 - 1000 °F
Component Elements Properties Metric English Comments
Carbon, C 1.15 %
1.15 %
Chromium, Cr 14.5 %
14.5 %
Iron, Fe 78.35 %
78.35 %
Manganese, Mn 0.50 %
0.50 %
Molybdenum, Mo 4.0 %
4.0 %
Silicon, Si 0.30 %
0.30 %
Vanadium, V 1.2 %
1.2 %
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