常用DN钢管管径壁厚对照表.pdf

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1、无缝碳钢管DN管径（mm）101520253240506580100125150200250300350400450500600外径（mm)151825323845577689108133159219273325377426480530630≤PN162.533333.53.544444.556778889壁厚（mm）PN252.533333.53.544444.5567788910无缝304管DN管径（mm）10152025324050658010012515020025030035040045050060

2、0外径（mm)151825323845577689108133159219273325377426480530630PN102222.52.52.52.52.52.5333.53.53.5444.5壁厚（mm）PN1622.52.52.52.52.5333333.53.544.555PN2522.52.52.52.52.53333.53.544.55667304焊管DN管径（mm）200250300350400450500600700800900外径（mm)21927332537742648053063072

3、0820920PN103.53.544.54.555.56778壁厚（mm）PN1644566778910PN2556789910121315碳钢焊管DN管径（mm）2002503003504004505006007008009001000110012001400外径（mm)2192733253774264805306307208209201020112012201420PN105566677889910111112壁厚（mm）PN16667788910111213141516PN25789910111213

4、1516