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      常見的(de)雙(shuang)相(xiang)鋼彎頭(tou)牌號及(ji)具(ju)體應用

      14Cr18Ni11Si4AlT雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)由于(yu)(yu)含有(you)(you)(you)(you)(you)(you)3.4%～4.0%的(de)(de)(de)(de)(de)(de)(de)(de)硅，其(qi)(qi)主要特(te)性(xing)(xing)(xing)(xing)(xing)是(shi)(shi)具(ju)有(you)(you)(you)(you)(you)(you)良(liang)好(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)濃硝酸(suan)（≥85%）腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)(xing)能。同(tong)(tong)時會使(shi)鋼(gang)(gang)的(de)(de)(de)(de)(de)(de)(de)(de)強度和耐(nai)(nai)硝酸(suan)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)性(xing)(xing)(xing)(xing)(xing)能提高(gao)，有(you)(you)(you)(you)(you)(you)優(you)良(liang)的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)高(gao)濃氯(lv)化(hua)(hua)物(wu)(wu)應(ying)力(li)(li)(li)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)性(xing)(xing)(xing)(xing)(xing)能。多用(yong)(yong)(yong)于(yu)(yu)制(zhi)造(zao)耐(nai)(nai)濃硝酸(suan)介質(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)零(ling)部(bu)件(jian)和設(she)備(bei)(bei)，如高(gao)壓釜、漂白塔 以(yi)(yi)及(ji)排酸(suan)閥門(men)等(deng)(deng)(deng)(deng)(deng)，還可用(yong)(yong)(yong)來制(zhi)造(zao)在(zai)空氣或腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)性(xing)(xing)(xing)(xing)(xing)介質(zhi)中(zhong)工(gong)(gong)作的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)接(jie)部(bu)件(jian)，如助燃劑(ji)容器(qi)(qi)(qi)等(deng)(deng)(deng)(deng)(deng)。022Cr19Ni5Mo3Si2N雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)耐(nai)(nai)應(ying)力(li)(li)(li)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)破裂(lie)(lie)性(xing)(xing)(xing)(xing)(xing)能良(liang)好(hao)(hao)(hao)，耐(nai)(nai)點蝕(shi)(shi)(shi)(shi)性(xing)(xing)(xing)(xing)(xing)能與(yu)022Cr17Ni13Mo2相(xiang)(xiang)當，這種鋼(gang)(gang)的(de)(de)(de)(de)(de)(de)(de)(de)強度和初性(xing)(xing)(xing)(xing)(xing)等(deng)(deng)(deng)(deng)(deng)綜合(he)性(xing)(xing)(xing)(xing)(xing)能良(liang) 好(hao)(hao)(hao)，冷(leng)、熱(re)加(jia)工(gong)(gong)及(ji)冷(leng)成(cheng)形工(gong)(gong)藝(yi)性(xing)(xing)(xing)(xing)(xing)能均較(jiao)好(hao)(hao)(hao)。但是(shi)(shi)焊(han)(han)后在(zai)熔合(he)線(xian)附(fu)近(jin)易(yi)產生純鐵(tie)素(su)體(ti)(ti)(ti)組(zu)織，從而使(shi)此鋼(gang)(gang)喪失雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)的(de)(de)(de)(de)(de)(de)(de)(de)良(liang)好(hao)(hao)(hao)特(te)性(xing)(xing)(xing)(xing)(xing)。用(yong)(yong)(yong)于(yu)(yu)制(zhi)造(zao)在(zai)含有(you)(you)(you)(you)(you)(you)微量氯(lv)離子(zi)的(de)(de)(de)(de)(de)(de)(de)(de)介質(zhi)中(zhong)工(gong)(gong)作的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)應(ying)力(li)(li)(li)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)部(bu)件(jian)，尤(you)其(qi)(qi)是(shi)(shi)適用(yong)(yong)(yong)于(yu)(yu)制(zhi)造(zao)冷(leng)凝器(qi)(qi)(qi)、熱(re)交(jiao)換器(qi)(qi)(qi)等(deng)(deng)(deng)(deng)(deng)換熱(re)設(she)備(bei)(bei)。已應(ying)用(yong)(yong)(yong)于(yu)(yu)石(shi)油(you)煉制(zhi)工(gong)(gong)業、紙漿工(gong)(gong)業和化(hua)(hua)肥(fei)工(gong)(gong)業。12CrNi5Ti雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)為代替07Cr18Ni9Ti鋼(gang)(gang)而設(she)計。該鋼(gang)(gang)具(ju)有(you)(you)(you)(you)(you)(you)較(jiao)好(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)力(li)(li)(li)學性(xing)(xing)(xing)(xing)(xing)能和工(gong)(gong)藝(yi)性(xing)(xing)(xing)(xing)(xing)能，特(te)別(bie)是(shi)(shi)強度較(jiao)高(gao)，在(zai)不(bu)同(tong)(tong)溫度和濃度的(de)(de)(de)(de)(de)(de)(de)(de)氧(yang)化(hua)(hua)性(xing)(xing)(xing)(xing)(xing)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)介質(zhi)中(zhong)均有(you)(you)(you)(you)(you)(you)良(liang)好(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)蝕(shi)(shi)(shi)(shi)性(xing)(xing)(xing)(xing)(xing)。用(yong)(yong)(yong)于(yu)(yu)制(zhi)造(zao)化(hua)(hua)學工(gong)(gong)業、食品(pin)工(gong)(gong)業等(deng)(deng)(deng)(deng)(deng)耐(nai)(nai)氧(yang)化(hua)(hua)性(xing)(xing)(xing)(xing)(xing)酸(suan)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)容器(qi)(qi)(qi)及(ji)部(bu)件(jian)；在(zai)航空工(gong)(gong)業上(shang)用(yong)(yong)(yong)來制(zhi)造(zao)航空發(fa)(fa)動(dong)機殼體(ti)(ti)(ti)及(ji)火箭發(fa)(fa)動(dong)機燃燒室外壁(bi)等(deng)(deng)(deng)(deng)(deng)。022Cr22Ni5Mo3N雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)是(shi)(shi)瑞典在(zai)SAF2205鋼(gang)(gang)基礎上(shang)研制(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)新型雙(shuang)(shuang)相(xiang)(xiang)不(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)。世界上(shang)應(ying)用(yong)(yong)(yong)最(zui)普遍的(de)(de)(de)(de)(de)(de)(de)(de)雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)。對含硫化(hua)(hua)氫、二氧(yang)化(hua)(hua)碳(tan)、氯(lv)化(hua)(hua)物(wu)(wu)的(de)(de)(de)(de)(de)(de)(de)(de)環境具(ju)有(you)(you)(you)(you)(you)(you)阻(zu)抗(kang)性(xing)(xing)(xing)(xing)(xing)。可進行冷(leng)、熱(re)加(jia)工(gong)(gong)，其(qi)(qi)成(cheng)形和焊(han)(han)接(jie)性(xing)(xing)(xing)(xing)(xing)良(liang)好(hao)(hao)(hao)。用(yong)(yong)(yong)于(yu)(yu)油(you)井管、化(hua)(hua)工(gong)(gong)儲(chu)罐、換熱(re)器(qi)(qi)(qi)、冷(leng)凝器(qi)(qi)(qi)等(deng)(deng)(deng)(deng)(deng)易(yi)生點蝕(shi)(shi)(shi)(shi)和應(ying)力(li)(li)(li)腐(fu)(fu)(fu) 蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)設(she)備(bei)(bei)等(deng)(deng)(deng)(deng)(deng)。022Cr23Ni5Mo3N雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)是(shi)(shi)奧氏體(ti)(ti)(ti)+鐵(tie)素(su)體(ti)(ti)(ti)雙(shuang)(shuang)相(xiang)(xiang)不(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)，優(you)異的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)應(ying)力(li)(li)(li)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)斷裂(lie)(lie)和其(qi)(qi)他形式耐(nai)(nai)蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)(xing)能以(yi)(yi)及(ji)良(liang)好(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)接(jie)性(xing)(xing)(xing)(xing)(xing)。特(te)性(xing)(xing)(xing)(xing)(xing)和用(yong)(yong)(yong)途(tu)同(tong)(tong)022Cr22Ni5Mo3雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)相(xiang)(xiang)同(tong)(tong)，是(shi)(shi)儲(chu)罐和容器(qi)(qi)(qi)用(yong)(yong)(yong)材。 022Cr23Ni4MoCuN雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)具(ju)有(you)(you)(you)(you)(you)(you)雙(shuang)(shuang)相(xiang)(xiang)組(zu)織，具(ju)有(you)(you)(you)(you)(you)(you)優(you)異的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)應(ying)力(li)(li)(li)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)開裂(lie)(lie)和其(qi)(qi)他形式耐(nai)(nai)蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)(xing)能以(yi)(yi)及(ji)良(liang)好(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)焊(han)(han)接(jie)性(xing)(xing)(xing)(xing)(xing)。用(yong)(yong)(yong)于(yu)(yu)儲(chu)罐和容器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)不(bu)銹(xiu)(xiu)(xiu)鋼(gang)(gang)。 022Cr25Ni6Mo2N雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)彎(wan)(wan)頭(tou)具(ju)有(you)(you)(you)(you)(you)(you)高(gao)強度、耐(nai)(nai)氯(lv)化(hua)(hua)物(wu)(wu)應(ying)力(li)(li)(li)腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)、可焊(han)(han)接(jie)性(xing)(xing)(xing)(xing)(xing)好(hao)(hao)(hao)等(deng)(deng)(deng)(deng)(deng)優(you)點，是(shi)(shi)耐(nai)(nai)點蝕(shi)(shi)(shi)(shi)的(de)(de)(de)(de)(de)(de)(de)(de)雙(shuang)(shuang)相(xiang)(xiang)鋼(gang)(gang)。用(yong)(yong)(yong)于(yu)(yu)化(hua)(hua)工(gong)(gong)、化(hua)(hua)肥(fei)、石(shi)油(you)化(hua)(hua)工(gong)(gong)、耐(nai)(nai)海水腐(fu)(fu)(fu)蝕(shi)(shi)(shi)(shi)等(deng)(deng)(deng)(deng)(deng)工(gong)(gong)業領域，如蒸(zheng)發(fa)(fa)器(qi)(qi)(qi)、換熱(re)器(qi)(qi)(qi)等(deng)(deng)(deng)(deng)(deng)。