The member used in contact with a hot dip galvanizing bath is formed on its surface with the nitride layer by nitriding it in a salt bath containing a cyanide, a cyanate, a carbonate and the like or by heat treating it in {HEAD ~ an atmosphere} containing ammonium or {TAIL ~ nitrogen} 
The member used in contact with a hot dip galvanizing bath is formed on its surface with the nitride layer by nitriding it in a salt bath containing a cyanide , a cyanate , a carbonate and the like or by heat treating it in { HEAD ~ an atmosphere } containing ammonium or { TAIL ~ nitrogen }
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