组(zu)(zu)(zu)织(zhi)形态 奥(ao)(ao)氏体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：在常(chang)温(wen)下具(ju)(ju)(ju)有(you)(you)(you)面(mian)心立(li)方晶格(ge)结(jie)(jie)构(gou)的(de)奥(ao)(ao)氏体(ti)(ti)(ti)(ti)(ti)组(zu)(zu)(zu)织(zhi)，这种组(zu)(zu)(zu)织(zhi)使(shi)其具(ju)(ju)(ju)有(you)(you)(you)良(liang)(liang)好的(de)韧(ren)性(xing)(xing)(xing)(xing)(xing)和延展(zhan)性(xing)(xing)(xing)(xing)(xing)。 铁(tie)(tie)素体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：晶体(ti)(ti)(ti)(ti)(ti)结(jie)(jie)构(gou)为体(ti)(ti)(ti)(ti)(ti)心立(li)方晶格(ge)的(de)铁(tie)(tie)素体(ti)(ti)(ti)(ti)(ti)组(zu)(zu)(zu)织(zhi)，具(ju)(ju)(ju)有(you)(you)(you)较(jiao)(jiao)(jiao)(jiao)高(gao)(gao)(gao)的(de)强(qiang)度(du)和硬度(du)，但(dan)韧(ren)性(xing)(xing)(xing)(xing)(xing)相(xiang)(xiang)(xiang)对(dui)(dui)(dui)较(jiao)(jiao)(jiao)(jiao)差。 马(ma)氏体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：在淬火后形成马(ma)氏体(ti)(ti)(ti)(ti)(ti)组(zu)(zu)(zu)织(zhi)，马(ma)氏体(ti)(ti)(ti)(ti)(ti)是(shi)(shi)一种过饱和的(de)固溶体(ti)(ti)(ti)(ti)(ti)，硬度(du)高(gao)(gao)(gao)、强(qiang)度(du)大(da)，但(dan)韧(ren)性(xing)(xing)(xing)(xing)(xing)和塑性(xing)(xing)(xing)(xing)(xing)相(xiang)(xiang)(xiang)对(dui)(dui)(dui)较(jiao)(jiao)(jiao)(jiao)低。 双相(xiang)(xiang)(xiang)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：由奥(ao)(ao)氏体(ti)(ti)(ti)(ti)(ti)和铁(tie)(tie)素体(ti)(ti)(ti)(ti)(ti)两(liang)相(xiang)(xiang)(xiang)组(zu)(zu)(zu)成，一般(ban)各相(xiang)(xiang)(xiang)比(bi)例(li)大(da)致相(xiang)(xiang)(xiang)同，兼具(ju)(ju)(ju)两(liang)者的(de)部分(fen)优(you)点。 性(xing)(xing)(xing)(xing)(xing)能(neng)特(te)点 奥(ao)(ao)氏体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：具(ju)(ju)(ju)有(you)(you)(you)良(liang)(liang)好的(de)耐(nai)(nai)腐蚀性(xing)(xing)(xing)(xing)(xing)、韧(ren)性(xing)(xing)(xing)(xing)(xing)、低温(wen)性(xing)(xing)(xing)(xing)(xing)能(neng)和加(jia)工性(xing)(xing)(xing)(xing)(xing)能(neng)，无磁(ci)性(xing)(xing)(xing)(xing)(xing)，在许多环境中都能(neng)表现出(chu)优(you)异的(de)耐(nai)(nai)蚀性(xing)(xing)(xing)(xing)(xing)，尤其是(shi)(shi)对(dui)(dui)(dui)氧化(hua)性(xing)(xing)(xing)(xing)(xing)酸和大(da)多数有(you)(you)(you)机酸有(you)(you)(you)较(jiao)(jiao)(jiao)(jiao)好的(de)抵(di)抗能(neng)力。 铁(tie)(tie)素体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：有(you)(you)(you)较(jiao)(jiao)(jiao)(jiao)好的(de)耐(nai)(nai)氧化(hua)性(xing)(xing)(xing)(xing)(xing)和耐(nai)(nai)蚀性(xing)(xing)(xing)(xing)(xing)，对(dui)(dui)(dui)应(ying)力腐蚀开裂有(you)(you)(you)较(jiao)(jiao)(jiao)(jiao)好的(de)抵(di)抗能(neng)力，但(dan)强(qiang)度(du)和韧(ren)性(xing)(xing)(xing)(xing)(xing)相(xiang)(xiang)(xiang)对(dui)(dui)(dui)较(jiao)(jiao)(jiao)(jiao)低，有(you)(you)(you)磁(ci)性(xing)(xing)(xing)(xing)(xing)。 马(ma)氏体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：具(ju)(ju)(ju)有(you)(you)(you)较(jiao)(jiao)(jiao)(jiao)高(gao)(gao)(gao)的(de)强(qiang)度(du)、硬度(du)和耐(nai)(nai)磨性(xing)(xing)(xing)(xing)(xing)，但(dan)耐(nai)(nai)腐蚀性(xing)(xing)(xing)(xing)(xing)相(xiang)(xiang)(xiang)对(dui)(dui)(dui)较(jiao)(jiao)(jiao)(jiao)差，通过热(re)处理可以显(xian)著(zhu)提高(gao)(gao)(gao)其强(qiang)度(du)和硬度(du)。 双相(xiang)(xiang)(xiang)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)：高(gao)(gao)(gao)强(qiang)度(du)、良(liang)(liang)好的(de)耐(nai)(nai)腐蚀性(xing)(xing)(xing)(xing)(xing)和抗应(ying)力腐蚀开裂性(xing)(xing)(xing)(xing)(xing)能(neng)，其屈(qu)服强(qiang)度(du)比(bi)奥(ao)(ao)氏体(ti)(ti)(ti)(ti)(ti)不(bu)(bu)(bu)锈钢(gang)(gang)(gang)高(gao)(gao)(gao)得多，同时具(ju)(ju)(ju)有(you)(you)(you)较(jiao)(jiao)(jiao)(jiao)好的(de)韧(ren)性(xing)(xing)(xing)(xing)(xing)和焊接性(xing)(xing)(xing)(xing)(xing)能(neng)。