1、管道外径对照表DN6810152025324050(65)80NPS1/81/43/81/23/4111/411/2221/23(Ia)10.213.517.221.326.933.742.448.360.376.188.9(Ib)1014172227344248607689(II)/141825323845577689SH3405-201710.313.717.121.326.733.442.248.360.37388.9ASMEB36.10M-202210.2913.7217.121.3426.6733.442.1648.2660.3273.0206.9DNr(90)1007125)150
2、200250300350400450500(550)600HPS31/245681012141618202224Sda)/114.3139.7168.3219.1273323.9355.6406.4457508559610db)/114140168219273325356406457508559610I(ID/108133159219273325377426480530/630SH3405-2017101.6114.3141.3168.3219.1273.1323.9355.6406.4457508559610ASMEB36.10M-2022101.6114.3141.3168.28219.0
3、8273323.8355.6406.4457.25085b3.36DNF(650)700(TSO)800V(850)900(950)100O(1050)(IlOO)(1150)NPS2628303234363840424446(Ia)6607117628138649149651016106711181168(Ib).l/.l/(ID/720/820/920/1020/SH3405-20176607117628138649149651016106711181168ASMEB36.10M-2022660.4711.276281386491496510161067Iilb!1168DN1200130
4、01400F(1500)1600(1700)1800F(1900)2000,2100k2200,23002400NPS485256606468727680/S6da)121913211422152416261727182919302032/(Ib)/I(ID1220/1420/1620/1820/2020/SH3405-20171219132114221524162617271829193020322134223523372438ASMEB36.10M-2022121913211422152416261727182919302032/frfDN2500260027002800290030003
5、2003400360038004000NPS/da)/(Ib)/(II)/SH3405-201725402642274328452946304832513454365838614064ASMEB36.10M-2022/注：Ia系列为优选系列，与IS04200等效（1、适用于碳钢、合金钢、不锈钢；2、适用于无缝钢管及焊接管）。Ib系列：对DNW250的管道是对Ia系列的圆整；对DNN200的管道及采用Ia系列。II系列为沿用系列即小外径系列。SH/T3405-2017碳素钢、合金钢无缝钢管及焊接钢管有DN750以上尺寸；不锈钢无缝钢管及焊接钢管无DN700及DN750以上尺寸。HG/T20533-2On不适用：换热器管束等化工设备（非配管）用钢管。
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