Latrobe Lescalloy® 300M - HS VAC-ARC High Strength Alloy Steel

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Latrobe Lescalloy® 300M - HS VAC-ARC High Strength Alloy Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; Carbon Steel; High Carbon Steel
Material Notes:	LESCALLOY 300M-HS VAC-ARC steel is a modified 4340 steel with added silicon allowing for use of a higher tempering temperature. The steel has high hardenability and strength with good ductility and toughness in heavy sections, which make it suitable for aircraft landing gear, flap tracks, and other structural components. This variant has been developed for applications requiring 287 ksi (1979 MPa) minimum tensile strength through stringent control of chemistry and processing parameters. The enhanced properties of Lescalloy 300M-HS VAC-ARC permit the design of lighter aircraft components that exhibit equivalent load carrying capacities compared to standard 300M components. Vacuum arc remelting (VAR) is used 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.
Vendors:

Available Properties

Density
Hardness, Rockwell C, 1" from quench end; Jominy End Quench Hardenability
Hardness, Rockwell C, 1/2" from quenched end; Jominy End Quench Hardenability
Hardness, Rockwell C, 1/8" from quenched end; Jominy End Quench Hardenability
Tensile Strength, Ultimate, 302°C Temper Temperature
Tensile Strength, Yield, 302°C Temper Temperature
Elongation at Break, 302°C Temper Temperature
Reduction of Area, 302°C Temper Temperature
CTE, linear
Specific Heat Capacity
Thermal Conductivity
Carbon, C
Chromium, Cr
Iron, Fe
Manganese, Mn
Molybdenum, Mo
Nickel, Ni
Silicon, Si
Vanadium, V

Property Data

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Manufacturer Notes:
Latrobe Steel

Category Notes
none

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