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Latrobe Lescalloy® 52100 VAC-ARC High Performance Bearing Steel

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel
Manufacturer Latrobe Steel
Trade Name Lescalloy®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Latrobe Lescalloy® 52100 VAC-ARC High Performance Bearing Steel.pdf
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Material Notes:
LESCALLOY 52100 VAC-ARC is a deep hardening alloy steel used for aircraft bearings and other high stressed parts where good rolling contact fatigue strength is required at operating temperatures below 400°F. This grade is produced by the vacuum-arc remelting process and offers greatly improved cleanliness and internal soundness over conventionally air melted bearing quality SAE 52100 steel.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Physical Properties Metric English Comments
Specific Gravity 7.80 g/cc
7.80 g/cc
Density 7.75 g/cc
0.280 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 45
45
1/2" from quenched end
66.5
66.5
1/8" from quenched end
Modulus of Elasticity 200 GPa
29000 ksi
Modulus of Rigidity 82.7 GPa
12000 ksi
Machinability 37 - 45 %
37 - 45 %
Thermal Properties Metric English Comments
CTE, linear 11.6 µm/m-°C

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

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

@Temperature 38.0 - 649 °C
7.94 µin/in-°F

@Temperature 100 - 1200 °F
Component Elements Properties Metric English Comments
Carbon, C 1.05 %
1.05 %
Chromium, Cr 1.5 %
1.5 %
Iron, Fe 96.8 %
96.8 %
Manganese, Mn 0.35 %
0.35 %
Silicon, Si 0.30 %
0.30 %
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