Steel name: Low Ni-Cr Steel
  Diagram No.: 1589
  Type of diagram: TTT
  BS designation: En 111
  Chemical composition in weight %: 0.35% C, 0.13% Si, 0.65% Mn, 0.032% S, 0.035% P,
  1.27% Ni, 0.55% Cr, Nil Mo.
  Note: Structural steel. Austenitizing temperature: 845^oC. As quenched grain size: 7.
  McQuaid-Ehn grain size: 2-3.
  Hardness values in bold figures are shown of the fully transformed steel; the values in
  italics represent structures developed by holding at the selected temperatures for 24
  hours and then quenching to room temperature.
  Source: George F. Vander Voort, Atlas of Time-Temperature Diagrams for Irons and
  Steels, ASM International, USA, 1991, p.93.

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