管道的外径和壁厚一览表DN不锈钢和钛材焊接钢管(SS)外径x壁厚碳钢管(CS)外径x壁厚玻璃钢管(FRP)外径x壁厚衬里管道外径x壁厚PN10PN16PN25PN4PN10PN16PN25PN10PN16PN10\PN1610Φ17.2x2.0Φ17.2x2.0Φ17.2x2.0－Φ14x2.5Φ14x2.5Φ14x2.5－－－15Φ21.3x2.0Φ21.3x2.5Φ21.3x2.5－Φ18x3.0Φ18x3.0Φ18x3.0Φ24x4.5*Φ24x4.5*－20Φ26.9x2.0Φ26.9x2.5Φ26.9x2.5－Φ25x3.0Φ25x3.0Φ25x3.0Φ29x4.5*Φ29x4.5*－25Φ33.7x2.5Φ33.7x2.5Φ33.7x2.5―Φ32x3.0Φ32x3.0Φ32x3.0Φ34x4.5*Φ34x4.5*Φ33.7x4.932Φ42.4x2.5Φ42.4x2.5Φ42.4x2.5－Φ38x3.0Φ38x3.0Φ38x3.0Φ41x4.5*Φ41x4.5*Φ42.4x4.940Φ48.3x2.5Φ48.3x2.5Φ48.3x2.5－Φ45x3.5Φ45x3.5Φ45x3.5Φ49x4.5*Φ49x4.5*Φ48.3x5.450Φ60.3x2.5Φ60.3x3.0Φ60.3x3.0－Φ57x3.5Φ57x3.5Φ57x3.5Φ59x4.5Φ59x4.5Φ60.3x5.765Φ76.1x2.5Φ76.1x3.0Φ76.1x3.0－Φ76x4.0Φ76x4.0Φ76x4.0Φ74x4.5*Φ74x4.5*Φ76.1x7.580Φ88.9x2.5Φ88.9x3.0Φ88.9x3.0－Φ89x4.0Φ89x4.0Φ89x4.0Φ89x4.5Φ89x4.5Φ88.9x7.5100Φ114.3x3.0Φ114.3x3.0Φ114.3x3.5－Φ108x4.0Φ108x4.0Φ108x4.0Φ109x4.5Φ109x4.5Φ114.3x8.5125Φ139.7x3.0Φ139.7x3.0Φ139.7x3.5－Φ133x4.0Φ133x4.0Φ133x4.0Φ134x4.5*Φ134x4.5*Φ139.7x8.5150Φ168.3x3.5Φ168.3x3.5Φ168.3x4.0－Φ159x4.5Φ159x4.5Φ159x4.5Φ159x4.5Φ159x4.5Φ168.3x9.6200Φ219.1x3.5Φ219.1x4.0Φ219.1x5.0Φ219.1x3.0Φ219x6.0Φ219x6.0Φ219x6.0Φ209x4.5Φ212x6.0Φ219.1x10.8250Φ273.1x3.5Φ273.1x4.5Φ273.1x6.0Φ273.1x3.0Φ273x6.0Φ273x6.0Φ273x8.0Φ259x4.5Φ265x7.5Φ273x11.3300Φ323.9x4.0Φ323.9x5.0Φ323.9x7.0Φ323.9x3.5Φ325x6.0Φ325x7.0Φ325x9.0Φ312x6.0Φ318x9.0Φ323.9x12.3350Φ355.6x4.5Φ355.6x6.0Φ355.6x8.0Φ355.6x4.0Φ377x6.0Φ377x7.0Φ377x9.0Φ362x6.0Φ371x10.5－400Φ406.4x4.5Φ406.4x6.0Φ406.4x9.0Φ406.4x4.0Φ426x6.0Φ426x8.0Φ426x10.0Φ415x7.5Φ424x12.0－450Φ457x5.0Φ457x7.0Φ457x9.0Φ457x4.5Φ480x7.0Φ480x8.0Φ480x11.0Φ468x9.0Φ477x13.5－500Φ508x5.5Φ508x7.0Φ508x10.0Φ508x5.0Φ530x7.0Φ530x9.0Φ530x12.0Φ518x9.0Φ527x13.5－600Φ610x6.0Φ610x8.0Φ610x12.0Φ610x6.0Φ630x8.0Φ630x10.0Φ630x13.0Φ621x10.5Φ633x16.5－700Φ711x7.0Φ711x9.0Φ711x12.5Φ711x6.5Φ720x8.0Φ720x11.0Φ720x15.0Φ724x12.0－－800Φ813x7.0Φ813x10.0Φ813x15.0Φ813x6.5Φ820x9.0Φ820x12.0Φ820x16.0Φ827x13.5－－900Φ914x8.0Φ914x11.0Φ914x17.0Φ914x6.5Φ920x9.0Φ920x13.0－Φ933x16.5－－1000Φ1016x9.0Φ1016x14.0Φ1016x18.0Φ1016x8.0Φ1020x10.0Φ1020x14.0－Φ1036x18.0－－1100Φ1118x