Strength and Toughness at 4 K of Forged, Heavy-Section 316LN

  • E. S. Drexler
  • N. J. Simon
  • R. P. Reed
Part of the An International Cryogenic Materials Conference Publication book series (ACRE, volume 40)

Abstract

The through-thickness mechanical properties of heavy-section 316LN forged stainless-steel plate were measured at 4 K. The properties studied were tensile and fracture toughness. Grain size, hardness, and chemistry variations were also obtained. The forged material came from cores of a 700-mm-thick plate for the MIT Alcator C-MOD. The average tensile yield strength was 889 MPa and the maximum variations from the average surface value were ± 5%. The average fracture toughness (estimates of K Ic from J Ic measurements) of the forging was unusually high, 471 MPa/m, with consistent values having been obtained from the interior of the forging, but variations of 25% from the average interior value were found.

Keywords

Yield Strength Fracture Toughness Tensile Yield Strength 316LN Stainless Steel Center Piece 
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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • E. S. Drexler
    • 1
  • N. J. Simon
    • 1
  • R. P. Reed
    • 2
  1. 1.National Institute of Standards and TechnologyBoulderUSA
  2. 2.Cryogenic Materials, Inc.BoulderUSA

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