hello there,
i have problems.
when we poured high chr. white cast iron in molds, metal melt has boiled in sprue.
we tried degassing technique with Al turnings, but more didnt not work.
a lot of gas porosity,and shrinkage too.
we cast high. white cast iron aprrox. 1500 celcius degree and...
I m a material engineer and work in a foundry. we produce high chromium white cast iron abrasive balls.
we cannot use %100 returns in smelting due to inhibition of starting nucleation.
But we use pig iron for starting nucleation grey-ductile iron smelting.
i want to produce high chr white...