Note: Heating stainless steel rod for hot forming

Objective:

Heating 300 series stainless steel rod to 1800ÂşF (982ÂşC) 

End Product:

Stainless steel rod

Equipment:

  • Ambrell 7.5 kW induction heating system, equipped with a remote workhead containing two 1.25ÂľF capacitors for a total of .625ÂľF
  • An induction heating coil designed and developed specifically for this application. 

Materials:

1” (25.4mm) length of 300 series stainless steel rod ž “ (19mm) diameter 

Temperature:

1800 ÂşF (982ÂşC)

Frequency:

312 kHz

Testing:

A four turn helical coil is used to heat the stainless steel rod to 1800 ÂşF (982ÂşC) for 10 seconds. For manufacturing purposes a refractory shield should be used between the coil and rod to keep the heat directed on the rod. Refractory shield was not used during testing.

Benefits:

  • Hands-free heating that involves no operator skill for manufacturing

  • Improved production rates with minimal defects

  • Low pressure and minimal residual part stress

  • Even distribution of heating 

Heating stainless steel rod for hot forming

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