I need to heat stainless bar stock prior to bending in a forming machine. I would like to reach approximately 200 degrees F.
The material is stainless type 304/304L, 3/16" thick.
We are heating it to temporarily lower its tensile strength for a challenging bending application. Heating works quite well allow it to bend without distortion.
We are heating it in a kitchen-type oven set to 400F (and it really measures approximately that hot), yet the stainless bars never seem to reach more than 160F, no matter how long they sit in the oven.
We need to make thousands of these and they are, so using a blowtorch would be too slow and not practical given the size of the part. Any ideas for a better way to heat these?