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