工業金屬管道設計對組成件制造、管道施工及檢驗的要求
工(gong)(gong)(gong)業金(jin)屬管(guan)道(dao)設計對組成件制(zhi)造、管(guan)道(dao)施(shi)(shi)工(gong)(gong)(gong)及(ji)檢驗(yan)的(de)要求主要有以下幾(ji)點:一、一般規(gui)定(ding)(ding) 工(gong)(gong)(gong)程施(shi)(shi)工(gong)(gong)(gong)及(ji)檢驗(yan)的(de)要求,除了應符(fu)合本(ben)規(gui)范(fan)的(de)規(gui)定(ding)(ding)外,還(huan)應符(fu)合現行國家標(biao)準《工(gong)(gong)(gong)業金(jin)屬管(guan)道(dao)工(gong)(gong)(gong)程施(shi)(shi)工(gong)(gong)(gong)及(ji)驗(yan)收(shou)規(gui)范(fan)》GB50235的(de)規(gui)定(ding)(ding)。二、金(jin)屬的(de)焊接 1.焊接材料的(de)選(xuan)用及(ji)焊前預熱,應符(fu)合...