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Polymer Distribution
Latrobe Lescalloy® 300M VAC-ARC High Strength Alloy Steel
Categories: Metal; Ferrous Metal; Alloy Steel; Carbon Steel; High Carbon Steel

Material Notes: LESCALLOY 300M 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. It is used primarily in the 270/300 ksi (1862/2068) tensile strength range for aircraft landing gears, flap tracks and other structural applications. 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
  
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Manufacturer Notes:
Latrobe Steel

Category Notes
none

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