某工(gong)程管(guan)(guan)道(dao)器材(cai)(cai)設計(ji)(ji)人(ren)(ren)員(yuan)因(yin)不了(le)解工(gong)藝原(yuan)(yuan)理(li),僅僅通過管(guan)(guan)道(dao)設計(ji)(ji)溫(wen)度、壓力(li)、流體介質(zhi)(zhi)特(te)性(xing)參數,選用了(le)碳(tan)鋼材(cai)(cai)質(zhi)(zhi)管(guan)(guan)道(dao)等(deng)級,實際運(yun)(yun)行(xing)(xing)時,裝置內因(yin)某種原(yuan)(yuan)因(yin)釋放的(de)物(wu)料(liao)溫(wen)度在(zai)-40℃以下(xia),在(zai)高荷載作用下(xia),管(guan)(guan)道(dao)疲勞造成管(guan)(guan)子(zi)裂(lie)紋泄漏。如果管(guan)(guan)道(dao)器材(cai)(cai)設計(ji)(ji)人(ren)(ren)員(yuan)了(le)解清楚工(gong)藝原(yuan)(yuan)理(li)再進(jin)行(xing)(xing)器材(cai)(cai)選用,就(jiu)應該知道(dao)只有選用低溫(wen)鋼才能(neng)保證管(guan)(guan)子(zi)運(yun)(yun)行(xing)(xing)的(de)本質(zhi)(zhi)安全。