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

 

Subcategory: Low Alloy Steel; High Carbon Steel; Metal

Close Analogs: Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.

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.

Available Properties
  • Density
  • Hardness, Rockwell C
  • Ultimate Tensile Strength
  • Tensile Strength, Yield
  • Elongation at Break
  • Reduction of Area
  • CTE, linear 20°C
  • Specific Heat Capacity
  • Thermal Conductivity
   
Property Data

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