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Latrobe Lescalloy® 4330+V VAC-ARC High Strength Alloy Steel

Category Metal , Ferrous Metal , Alloy Steel , Low 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® 4330+V VAC-ARC High Strength Alloy Steel.pdf
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Material Notes:
LESCALLOY 4330+V VAC-ARC steel is a modification of 4330 steel with hardenability and other properties improved by the addition of vanadium. It is a low alloy steel capable of being heat treated to high strength levels. The alloy is primarily used in the 220 to 240 ksi (1517-1655 MPa) strength range. The comparatively low carbon content of the alloy makes it particularly useful in applications involving shock loading or stress concentration. LESCALLOY 4330+V VAC-ARC steel is produced by the vacuum consumable electrode melting process to provide optimum cleanliness and preferred ingot structure.Samples were austenitized at 1600°F for 1 hour and oil quenched.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 47
47
316°C Temper Temperature
50
50
282°C Temper Temperature
Tensile Strength, Ultimate 1550 MPa
225000 psi
316°C Temper Temperature
1620 MPa
235000 psi
282°C Temper Temperature
Tensile Strength, Yield 1331 MPa
193000 psi
316°C Temper Temperature
1345 MPa
195100 psi
282°C Temper Temperature
Elongation at Break 11 %
11 %
282°C Temper Temperature
11 %
11 %
316°C Temper Temperature
Reduction of Area 47 %
47 %
282°C Temper Temperature
47 %
47 %
316°C Temper Temperature
Notched Tensile Strength 2048 MPa
297000 psi
K<sub>t</sub>7; 316°C Temper Temperature
2083 MPa
302100 psi
K<sub>t</sub>7; 282°C Temper Temperature
Thermal Properties Metric English Comments
Specific Heat Capacity 0.669 J/g-°C
0.160 BTU/lb-°F
Component Elements Properties Metric English Comments
Carbon, C 0.30 %
0.30 %
Chromium, Cr 0.85 %
0.85 %
Iron, Fe 95.43 %
95.43 %
Manganese, Mn 0.85 %
0.85 %
Molybdenum, Mo 0.40 %
0.40 %
Nickel, Ni 1.8 %
1.8 %
Silicon, Si 0.30 %
0.30 %
Vanadium, V 0.070 %
0.070 %
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