Thanks for that. How good is the chroming i.t.o. bonding to the substrate? Also, does the plasma process affect the grain structure, i.e. creation of grain boundaries that are less corrosion resistant?
I have a large number of metal seated ball valves (ranging from 50mm to 350mm in the digester section of a pulp mill. Product is highly corrosive sulphide black liquor and So2 gas at a ph of 1.5. I was hoping someone could offer some advice on the most cost-effective method of hardfacing the...
