A method of using a roll or bearing as an immersion member component in {HEAD ~ a hot dip galvanizing bath apparatus} wherein said roll or {TAIL ~ bearing} has a nitrided layer and a nitrogen diffused layer on the surface 
wherein
A method of using a roll or bearing as an immersion member component in { HEAD ~ a hot dip galvanizing bath apparatus } wherein said roll or { TAIL ~ bearing } has a nitrided layer and a nitrogen diffused layer on the surface
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