无缝304管
DN管径（mm）101520253240506580100125150200250300350400450500600外径（mm)151825323845577689108133159219273325377426480530630
壁厚（mm）PN10222 2.5 2.5 2.5 2.5 2.5 2.533 3.5 3.5 3.544 4.5 PN162 2.5 2.5 2.5 2.5 2.533333 3.5 3.54 4.555 PN252 2.5 2.5 2.5 2.5 2.5333 3.5 3.54 4.55667
304焊管
DN管径（mm）200250300350400450500600700800900外径（mm)219273325377426480530630720820920
壁厚（mm）PN10 3.5 3.54 4.5 4.55 5.56778 PN1644566778910
PN2556789910121315
碳钢焊管
DN管径（mm）2002503003504004505006007008009001000110012001400外径（mm)2192733253774264805306307208209201020112012201420
壁厚（mm）PN105566677889910111112 PN16667788910111213141516
PN257899101112131516
