Ironnickel,highstrengthandexcellentductility.Repairweldingofimportantgraycastironandnodularcastiron,suchascylindercap.镍铁，强度高、塑性好。重要灰铸铁及球铁焊补用，如汽缸盖Ironnickel,highstrengthandexcellentductility.Repairweldingofimportantgraycastironandnodularcastiron,suchascylindercap.镍铁，强度高、塑性好。重要灰铸铁及球铁焊)