Welds Cracking
Welds Cracking
(OP)
We have a weld on a cover that is cracking. I was wondering if anyone had any suggestions. The cover is 11x11.56x12.5 inches 0.090" thick AL 5052-H32. The two sides of the cover are welded onto the middle section with a .12 fillet weld ground down. The covers mount onto a machine that moves at 1g acceleration. There are two fasteners on each side of the cover (M4's) none on the top or bottom. We are seeing cracks along the weld at the tops of the covers. Any ideas ? I have requested, from the vendor, what they are using for a filler metal.





RE: Welds Cracking
I would request more than the filler metal. I would request to review the welding procedure (WPS) and PQR (test data) if it was qualfied in accordance with AWS D1.2.
RE: Welds Cracking
One additional question - where exactly are the cracks, in the weld deposit or along the edge of the weld?
RE: Welds Cracking
RE: Welds Cracking
2) The cracks are developing in service - possibly due to the levels of vibration.
RE: Welds Cracking