DVWE- The part is overlaid with Stellite 6 and it comes Normalized and Tempered at 1100F. In this case, we had a four piece order. The first two parts went through with no issues, the second two have been overlaid twice and the Stellite has cracked both times.
I am preheating a WC6 casting to 850F and then overlaying one side. After the overlay and while hot, the part is moved to the PWHT oven for stress relief at 1250F. Sometimes the overlay cracks and needs to be machined off and re-applied. My question is, is there a limit on the number of times I...
