钢管内径外径对照表.doc

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1、钢管内径外径对照表大外径系列公称直径管道外径公称直径管道外径DN15ф22mmDN150ф168mmDN20ф27mmDN200ф219mmDN25ф34mmDN250ф273mmDN32ф42mmDN300ф324mmDN40ф48mmDN350ф360mmDN50ф60mmDN400ф406mmDN65ф76mmDN450ф457mmDN80ф89mmDN500ф508mmDN100ф114mmDN600ф610mmDN125ф140mm小外径系列公称直径管道外径公称直径管道外径DN15ф18mmDN150ф159mmDN20ф25mmDN200ф219

2、mmDN25ф32mmDN250ф273mmDN32ф38mmDN300ф325mmDN40ф45mmDN350ф377mmDN50ф57mmDN400ф426mmDN65ф73mmDN450ф480mmDN80ф89mmDN500ф530mmDN100ф108mmDN600ф630mmDN125ф133mm