Casting defects
Casting defects
(OP)
Hello guys,
I have an interesting looking crack like feature with inclusions in a low alloy steel casting. Heat treatment: Normalized-->quenched and tempered in water.
Any thoughts on how, why and it's effects on the properties of the part?
Cheers!
I have an interesting looking crack like feature with inclusions in a low alloy steel casting. Heat treatment: Normalized-->quenched and tempered in water.
Any thoughts on how, why and it's effects on the properties of the part?
Cheers!





RE: Casting defects
RE: Casting defects
Have you performed a D.P or MPI to confirm it is a crack.
I'm just one step away from being rich, all I need now is money.
( read somewhere on the internet)
RE: Casting defects
This can be found all over the casting and this particular image is from a polished sample cut for CVN testing of the finished product.
Thanks!
RE: Casting defects
RE: Casting defects
RE: Casting defects
Was there a change in scrap ?
I'm just one step away from being rich, all I need now is money.
( read somewhere on the internet)
RE: Casting defects
So, any idea why they form or anyone has seen something similar in steel castings? and does this really have any effect on the impact toughness of the cast part?
Appreciate your input, thanks!
RE: Casting defects
In the past few years, I evaluated two failures in wrought carbon steel products, originating at highly unusual, shaped segregation near the surface. I did not take the failure to primary manufacturing (continuous casting?) method. Rich in Ca, Si, Mn.
RE: Casting defects
RE: Casting defects
= = = = = = = = = = = = = = = = = = = =
Plymouth Tube