Material is 23B2 or. 1.5508. Surface have a 730HV an than hardnes lowering to 600HV on 0.35mm, core have a 460HV.The crack did not start on the weld but on the marked part in the picture.
Customer requier is more then 600 HV0,5 on 0,2 mm and less than 600 HV0,5 on 0,3mm. This piece is 650 HV0,5 on 0,3mm. Is it possible that this small difference in depth affects the cracking of the pieces?
Hi,
At work, I have a problem with cracked carburized pieces. Some pieces pass the test and some crack. After carburizing, the piece is resistance welded to the handle. The customer claims that the cause is too high a depth of cementation which is indicated in the figure. 0.25mm is required and...
