problems with hk40 castings
problems with hk40 castings
(OP)
I am a welder in a stainless foundry, every time they cast hk40, the casting is lpi tested. the casting is always covered in red spots, that are not cracks. we gouge all the spots, and weld them with er-310 and no matter what we do, the spots don't go away. also, when we burn into the casting with the tig welder, the metal looks real porous under the surface. any advise on this would be much appreciated. thank you





RE: problems with hk40 castings
Hope it helps.
RE: problems with hk40 castings
"If you don't have time to do the job right the first time, when are you going to find time to repair it?"
RE: problems with hk40 castings
RE: problems with hk40 castings
RE: problems with hk40 castings
RE: problems with hk40 castings
Hope it helps..
RE: problems with hk40 castings
Often foundries find fixing problems like this to be easier after the casting is made (by weld repair), rather than during the actual making of the casting.
RE: problems with hk40 castings