Why are there square holes/porosity at the end of some welds in sheet metal?
Why are there square holes/porosity at the end of some welds in sheet metal?
(OP)
I am looking at some enclosures and some of the welds have square to rectangular holes at the ends of the welds. Some appear to go all the way through and others are just into the material rather deep. The square hole is just outside of the weld. Its 1/8" plate and D1.1 does not seem to cover this. Can anyone help in anyway? I am trying to figure out how this happens and how to tell my supplier to watch for this, and is it rejectable by code?





RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
Any rectangular, or mostly squares?
Is there any pattern to the size or nbr of square holes compared to length of weld or distance from the weld or thickness of metal?
Are your weld fillers consistent - not changing at all recently from a new manufacturer or from a new welder machine or welder operator?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
Clamping devices? Transportation clamps? ...Punch marks from a hammer, removing slag?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?
RE: Why are there square holes/porosity at the end of some welds in sheet metal?