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Latrobe 440™ N-DUR High Quality Martensitic Stainless Steel

 

Subcategory: Stainless Steel; Metal; Martensitic

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

Material Notes:
440 N-DUR is a 15.0% chromium stainless steel that provides the corrosion resistance of 440 C with the added benefit of improved carbide size and distribution for noiseless miniature precision bearing operation. The alloy can be through-hardened to achieve a minimum hardness of Rockwell C 60. The optimized alloy additions of C, N, Cr, and Mo provide a combination of the best carbide structure, corrosion resistance and heat treat response. The high hardness and corrosion resistance make 440 N-DUR a suitable candidate for use in miniature bearing, cutlery, medical implement, and other special applications.

Tensile properties are for Austenitized at 1975°F, warm oil quenched, subzero treated to -120°F, and tempered at 350°F

Information Provided by Timken Latrobe Steel.

Available Properties
  • Density
  • Hardness, Rockwell C
  • Ultimate Tensile Strength
  • Tensile Strength, Yield
  • Elongation at Break
  • Reduction of Area
  • Modulus of Elasticity
  • CTE, linear 20°C
  • CTE, linear 500°C
   
Property Data

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