Graphite erosion from cast iron
Graphite erosion from cast iron
(OP)
Hello all,
We are using a Cast Iron housing which has a machined hole. We pump lubrication oil through this hole.
Will there be any erosion of graphite from the cast iron and will it get mixed with lubricating oil.
I have this doubt because, if we rub our finger over machined surface, the finger becomes blackish (graphite!).
YOur feedback please.
We are using a Cast Iron housing which has a machined hole. We pump lubrication oil through this hole.
Will there be any erosion of graphite from the cast iron and will it get mixed with lubricating oil.
I have this doubt because, if we rub our finger over machined surface, the finger becomes blackish (graphite!).
YOur feedback please.





RE: Graphite erosion from cast iron
For you information there is a process, graphitization, where the graphite is leached from the CI and redeposited. This happens normally in pure water streams and some steam condensate system.
RE: Graphite erosion from cast iron
RE: Graphite erosion from cast iron
I note your point on high velocities will lead to to leaching.
My concern still is why do we get blackish color when we rub our finger - even after washing!. Rubbing of finger does not apply much force
Thanks
SPM
RE: Graphite erosion from cast iron