由熱處理不可強化的不銹鋼和耐熱鋼生產的、要求提高耐蝕性和塑性、消除冷作硬化的工件,應進行固溶處理。對于形狀復雜不宜進行固溶處理的工件,可進行去應力退火。含鈦或鈮的不銹鋼,為了獲得穩定的耐蝕性,可進行穩定化退火。
由熱處(chu)理(li)可(ke)強(qiang)(qiang)化(hua)的(de)(de)不銹鋼和(he)耐熱鋼生產的(de)(de)、要(yao)求(qiu)(qiu)提高強(qiang)(qiang)度(du)、硬度(du)和(he)耐蝕(shi)(shi)性(xing)(xing)的(de)(de)工(gong)(gong)(gong)件(jian)(jian),應(ying)(ying)進行(xing)(xing)淬火(huo)(huo)加(jia)(jia)低(di)溫(wen)回火(huo)(huo)處(chu)理(li)。要(yao)求(qiu)(qiu)較高的(de)(de)強(qiang)(qiang)度(du)和(he)彈(dan)性(xing)(xing)極(ji)限、而對耐蝕(shi)(shi)性(xing)(xing)要(yao)求(qiu)(qiu)不高的(de)(de)工(gong)(gong)(gong)件(jian)(jian),應(ying)(ying)進行(xing)(xing)淬火(huo)(huo)加(jia)(jia)中溫(wen)回火(huo)(huo)處(chu)理(li)。要(yao)求(qiu)(qiu)得(de)到(dao)良好的(de)(de)力學性(xing)(xing)能(neng)和(he)一(yi)定的(de)(de)耐蝕(shi)(shi)性(xing)(xing)的(de)(de)工(gong)(gong)(gong)件(jian)(jian),應(ying)(ying)進行(xing)(xing)淬火(huo)(huo)加(jia)(jia)高溫(wen)回火(huo)(huo)處(chu)理(li)。要(yao)求(qiu)(qiu)消除(chu)加(jia)(jia)工(gong)(gong)(gong)應(ying)(ying)力,降低(di)硬度(du)和(he)提高塑性(xing)(xing)的(de)(de)工(gong)(gong)(gong)件(jian)(jian),可(ke)進行(xing)(xing)退火(huo)(huo)處(chu)理(li)。要(yao)求(qiu)(qiu)改善原始(shi)組織的(de)(de)工(gong)(gong)(gong)件(jian)(jian),可(ke)進行(xing)(xing)正火(huo)(huo)加(jia)(jia)高溫(wen)回火(huo)(huo)的(de)(de)預備熱處(chu)理(li)。要(yao)求(qiu)(qiu)得(de)到(dao)良好的(de)(de)力學性(xing)(xing)能(neng)和(he)耐蝕(shi)(shi)性(xing)(xing)的(de)(de)沉淀硬化(hua)型(xing)不銹鋼工(gong)(gong)(gong)件(jian)(jian),可(ke)進行(xing)(xing)固(gu)(gu)溶加(jia)(jia)時效、固(gu)(gu)溶加(jia)(jia)冷處(chu)理(li)或冷變形加(jia)(jia)時效等調整處(chu)理(li)。
由(you)(you)熱(re)(re)處(chu)理(li)(li)可(ke)(ke)強(qiang)(qiang)化(hua)的(de)不(bu)(bu)銹鋼(gang)和耐(nai)(nai)熱(re)(re)鋼(gang)構(gou)成(cheng)的(de)焊(han)(han)接(jie)組合(he)件(jian)(jian),根據工件(jian)(jian)圖樣的(de)要求(qiu),可(ke)(ke)進(jin)(jin)行(xing)(xing)(xing)淬火(huo)(huo)加(jia)回(hui)火(huo)(huo)或(huo)去(qu)應(ying)(ying)力(li)退火(huo)(huo)。由(you)(you)熱(re)(re)處(chu)理(li)(li)不(bu)(bu)可(ke)(ke)強(qiang)(qiang)化(hua)的(de)不(bu)(bu)銹鋼(gang)和耐(nai)(nai)熱(re)(re)鋼(gang)構(gou)成(cheng)的(de)焊(han)(han)接(jie)組合(he)件(jian)(jian),要求(qiu)改善焊(han)(han)縫區域(yu)組織(zhi)和耐(nai)(nai)蝕(shi)性(xing)以及較充分地消(xiao)除(chu)應(ying)(ying)力(li)時(shi)(shi),可(ke)(ke)進(jin)(jin)行(xing)(xing)(xing)固(gu)溶處(chu)理(li)(li)。對于形(xing)狀復雜不(bu)(bu)宜(yi)進(jin)(jin)行(xing)(xing)(xing)固(gu)溶處(chu)理(li)(li)的(de)焊(han)(han)接(jie)組合(he)件(jian)(jian),可(ke)(ke)采用去(qu)應(ying)(ying)力(li)退火(huo)(huo)。由(you)(you)熱(re)(re)處(chu)理(li)(li)可(ke)(ke)強(qiang)(qiang)化(hua)與不(bu)(bu)可(ke)(ke)強(qiang)(qiang)化(hua)的(de)不(bu)(bu)銹鋼(gang)和耐(nai)(nai)熱(re)(re)鋼(gang)構(gou)成(cheng)的(de)焊(han)(han)接(jie)組合(he)件(jian)(jian),當要求(qiu)以耐(nai)(nai)蝕(shi)性(xing)為主時(shi)(shi),應(ying)(ying)進(jin)(jin)行(xing)(xing)(xing)固(gu)溶處(chu)理(li)(li)加(jia)低溫(wen)(wen)回(hui)火(huo)(huo);當要求(qiu)以力(li)學性(xing)能為主時(shi)(shi),應(ying)(ying)進(jin)(jin)行(xing)(xing)(xing)淬火(huo)(huo)加(jia)低溫(wen)(wen)或(huo)中溫(wen)(wen)回(hui)火(huo)(huo)處(chu)理(li)(li)。對于形(xing)狀復雜的(de)焊(han)(han)接(jie)組合(he)件(jian)(jian),可(ke)(ke)進(jin)(jin)行(xing)(xing)(xing)去(qu)應(ying)(ying)力(li)退火(huo)(huo)或(huo)高溫(wen)(wen)回(hui)火(huo)(huo)。

