Latrobe LescalloyÂ® 4340 VAC-ARC ; 3.5" round 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 LescalloyÂ® 4340 VAC-ARC ; 3.5" round High Strength Alloy Steel.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

LESCALLOY 4340 VAC-ARC steel is a low alloy, nickel-chromium-molybdenum steel capable of being heat treated to high strength levels. The alloy has a good combination of ductility, toughness and strength along with high hardenability.Tempered At 204Â°CInformation 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/inÂ³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	52 - 60	52 - 60	1/8" from quenched end
Tensile Strength, Ultimate	1900 MPa	276000 psi	204Â°C Temper Temperature
Tensile Strength, Yield	1530 MPa	222000 psi	204Â°C Temper Temperature
Elongation at Break	11 %	11 %	204Â°C Temper Temperature
Reduction of Area	35 %	35 %	204Â°C Temper Temperature

Thermal Properties	Metric	English
CTE, linear	11.3 Âµm/m-Â°C @Temperature 18.0 - 93.0 Â°C	6.28 Âµin/in-Â°F @Temperature 64.4 - 199 Â°F
	14.6 Âµm/m-Â°C @Temperature 18.0 - 648 Â°C	8.11 Âµin/in-Â°F @Temperature 64.4 - 1200 Â°F
Specific Heat Capacity	0.448 J/g-Â°C	0.107 BTU/lb-Â°F
Thermal Conductivity	37.48 W/m-K	260.1 BTU-in/hr-ftÂ²-Â°F

Component Elements Properties	Metric	English
Carbon, C	0.40 %	0.40 %
Chromium, Cr	0.80 %	0.80 %
Iron, Fe	95.7 %	95.7 %
Manganese, Mn	0.75 %	0.75 %
Molybdenum, Mo	0.25 %	0.25 %
Nickel, Ni	1.8 %	1.8 %
Silicon, Si	0.30 %	0.30 %

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