Steel name: Usinor-Sacillor S355N
  Diagram No.: 3684
  Type of diagram: CCT
  Chemical composition in weight %: 0.152% C, 0.467% Si, 1.545% Mn, 0.004% S,
  0.021% P, 0.025% Ni, 0.02% Cr, 0.003% V, 0.035% Nb, 0.014% Cu, 0.003% Ti.
  Note: Microalloyed steel. CCT curves showing the effect on transformation kinetics of
  holding steel at for 54 s and 460 s at 900°C and 950°C compared with specimens cooled
  directly from 800°C.See the diagrams No. 3676, No. 3677, No. 3678, No. 3679, No. 3680,
  No. 3681, No. 3682 and No. 3684.
  Note: A study of the effect of niobium in solid solution in microalloyed austenite on the
  kinetics of transformation to bainite after cooling.
  Source: G.I. Rees, J. Perdrix, T. Maurickx and H.K.D.H. Bhadeshia, "The effect of niobium
  in solid solution on the transformation kinetics of bainite", Materials Science and
  Engineering, A194 (1995), 179-186.

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