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Neural Network Effect of Composition and Cooling Rate on
Stainless Steel Weld Ferrite Number

Instructions: Type in the Stainless Steel Composition press 'Calculate'. 

Composition of the steel
C wt.%:            Si wt.%:            Mn wt.%:            Cr wt.%:           
Ni wt.%: Mo wt.%: N wt.%: Nb wt.%:
Ti wt.%: Cu wt.%: V wt.%: Co wt.%: 
Thickness of steel (in.): 
Welding Process:
Arc Welding Process Parameters
Voltage (V): Current (Amps): Speed (in/min):


Laser Welding Process Parameters
Power (watts): Frequency (n/s): Duration (s):



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Limitations

Fe Cr Ni C N Mo Mn Si Cu Ti Nb V Co Log Cooling Rate
45.60 14.74 4.61 0.008 0.01 0.01 0.35 0.03 0.0 0.0 0.0 0.0 0.0 1
72.52 32 33.5 0.2 0.33 6.85 12.67 1.3 3.04 0.54 0.88 0.23 0.45 6.54

Predictions as a function of cooling rate should be considered to be qualitative and probably are more appropriate
at high cooling rates (> 10,000 K/s). If you have any questions or need an excel spreadsheet form of this calcualtion,
please contact Dr. J. M. Vitek.

References

  • J. M. Vitek, S. A. David, C. R. Hinman, Welding Journal, 2003, Vol. 82, No 1, 10s-17s
  • J. M. Vitek, S. A. David, C. R. Hinman, Welding Journal, 2003, Vol.82, No 2, 43s-50s

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