Steel name: Ferritic Stainless Steel
  Diagram No.: 2890
  Type of diagram: TTE
  Chemical composition in weight %:
  Alloy 1: 0.002% C, <0.01% Mn, <0.01% Si, 0.01% P, 17.35% Cr, 0.01% Mo, 0.003% N.
  Alloy 2: 0.004% C, <0.01% Mn, <0.01% Si, 0.01% P, 17.61% Cr, 2.02% Mo, 0.004% N.
  Alloy 3: 0.003% C, <0.01% Mn, <0.01% Si, 0.01% P, 13.68% Cr, 0.08% Mo, 0.004% N.
  Alloy 4: 0.002% C, <0.01% Mn, <0.01% Si, 0.01% P, 14.60% Cr, 1.88% Mo, 0.004% N.
  Alloy 5: 0.044% C, 0.64% Mn, 0.31% Si, 18.04% Cr, 0.01% Mo, 0.091% N.
  Alloy 6: 0.043% C, 0.64% Mn, 0.31% Si, 18.03% Cr, 1.94% Mo, 0.092% N.
  Alloy 7: 0.044% C, 0.64% Mn, 0.31% Si, 17.94% Cr, 1.93% Mo, 0.052% N, 0.42% Ti.
  Note: Embrittlement diagram. Temper embrittlement. Embrittlement of stainless steel.
  Minimum time-temperature curves of aging to obtain 10 ft-lb (1.73 kgfm/cm²) of absorbed
  energy in a half-size Charpy V-noth specimen at room temperature (Alloy 6 and 7 at 100
 ^oC (212^oF). Legend: Alloy 1: 18% Cr vacuum melted, Alloy 2: 18% Cr-2% Mo vacuum
  melted, Alloy 3: 14% Cr vacuum melted, Alloy 4: 14% Cr-2% Mo vacuum melted, Alloy 5:
  18% Cr air melted, Alloy 6: 18% Cr-2% Mo air melted, Alloy 7: 18% Cr-2% Mo-0.5% Ti
  air melted.
  Source: P.J. Grobner, "The 885^oC Embrittlement of Ferritic Stainless Steel", Metalurgical
  Transactions, Vol.4, ASM, January 1973, p.251.

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