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Latrobe Lescalloy® 6305 VAC-ARC ; High Strength Alloy Steel

Category Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon 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® 6305 VAC-ARC ; High Strength Alloy Steel.pdf
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Material Notes:
LESCALLOY 6305 VAC-ARC steel is a modified 4140 steel with higher molybdenum and a vanadium addition. The alloy steel is generally used in the 160/180,000 psi tensile strength range obtained with an 1100°F temper where good toughness is critical, such as jet engine shafts. It is produced by the consumable electrode vacuum arc remelting process to provide optimum cleanliness and preferred ingot structure.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 7.83 g/cc
0.283 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 30
30
1300°F Temper
45
45
600°F Temper
Tensile Strength, Ultimate 972 MPa
141000 psi
13"x11", 700°F
1100 MPa
160000 psi
13"x11", RT
958 MPa

@Thickness 50.8 mm,
Temperature 371 °C
 139000 psi

@Thickness 2.00 in,
Temperature 700 °F
1130 MPa

@Thickness 50.8 mm,
Temperature 21.1 °C
 164000 psi

@Thickness 2.00 in,
Temperature 70.0 °F
Tensile Strength, Yield 938 MPa

@Strain 0.200 %
 136000 psi

@Strain 0.200 %
 13"x11", RT
765 MPa

@Strain 0.200 %,
Temperature 371 °C
 111000 psi

@Strain 0.200 %,
Temperature 700 °F
800 MPa

@Strain 0.200 %,
Temperature 371 °C
 116000 psi

@Strain 0.200 %,
Temperature 700 °F
 13"x11"
958 MPa

@Strain 0.200 %,
Temperature 21.1 °C
 139000 psi

@Strain 0.200 %,
Temperature 70.0 °F
765 MPa

@Strain 0.200 %,
Thickness 50.8 mm
 111000 psi

@Strain 0.200 %,
Thickness 2.00 in
958 MPa

@Strain 0.200 %,
Thickness 50.8 mm
 139000 psi

@Strain 0.200 %,
Thickness 2.00 in
Elongation at Break 15 %
15 %
13"x11", RT
30 %
30 %
13"x11", 700°F
16.2 %

@Thickness 50.8 mm,
Temperature 21.1 °C
 16.2 %

@Thickness 2.00 in,
Temperature 70.0 °F
22.3 %

@Thickness 50.8 mm,
Temperature 371 °C
 22.3 %

@Thickness 2.00 in,
Temperature 700 °F
Reduction of Area 51.2 %
51.2 %
13"x11", RT
72.6 %

@Temperature 371 °C
 72.6 %

@Temperature 700 °F
 13"x11"
53.3 %

@Thickness 50.8 mm,
Temperature 21.1 °C
 53.3 %

@Thickness 2.00 in,
Temperature 70.0 °F
75.2 %

@Thickness 50.8 mm,
Temperature 371 °C
 75.2 %

@Thickness 2.00 in,
Temperature 700 °F
Thermal Properties Metric English Comments
CTE, linear 11.34 µm/m-°C

@Temperature -17.8 - 93.0 °C
 6.300 µin/in-°F

@Temperature -0.0400 - 199 °F
Specific Heat Capacity 0.460 J/g-°C
0.110 BTU/lb-°F
Thermal Conductivity 37.5 W/m-K
260 BTU-in/hr-ft²-°F
Component Elements Properties Metric English Comments
Carbon, C 0.44 %
0.44 %
Chromium, Cr 0.95 %
0.95 %
Iron, Fe 97.03 %
97.03 %
Manganese, Mn 0.55 %
0.55 %
Molybdenum, Mo 0.50 %
0.50 %
Silicon, Si 0.25 %
0.25 %
Vanadium, V 0.28 %
0.28 %
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