无缝钢管公称直径与外径对照表？

无缝钢管公称直径与外径对照表？

DN-公称直径Ф－外径大外径系列DN15-ф22mmDN20-ф27mmDN25-ф34mmDN32-ф42mmDN40-ф48mmDN50-ф60mmDN65-ф76(73)mmDN来自80-ф89mmDN100-ф114mmDN125-ф140mmDN150-ф168mmDN200-ф219mmDN250-ф273mmDN300-ф324mmDN350-ф呀否分福粮传360mmDN400-ф4同06mmDN450-ф457mmDN500-ф508mm360问答DN600-ф610mm小外径系列DN15-ф18mmDN20-ф25mmDN25-ф32mmDN3紧2-ф38mmDN40-ф45mmDN50-ф5色氧杆制放到7mmDN65-ф73mmDN80-ф89mmDN100-ф10绿护往称还准吃写怕花甚8mmDN125-ф133mmDN150-ф159mmDN200-ф219mmDN250-ф273mmDN300-ф325mmDN350-ф377mmDN400待开入困都许操逐行女代-ф426mmDN450-ф480mmDN500-ф530mmDN600-ф630mm一般来说，管子的直径可分为外径、内径、公称直径。