公制(外径*壁厚）mm国标（DN）mm国标外径（mm)备注10Sφ17.1×1.6540Sφ17.1×2.3180Sφ17.1×3.20STDφ17.1×2.3140φ17.1×2.31XSφ17.1×3.2080φ17.1×3.205Sφ21.3×1.6510Sφ21.3×2.1140Sφ21.3×2.7780Sφ21.3×3.73STDφ21.3×2.7740φ21.3×2.77XSφ21.3×3.7380φ21.3×3.73160φ21.3×4.78XXSφ21.3×7.475Sφ26.7×1.6510Sφ26.7×2.1140Sφ26.7×2.8780Sφ26.7×3.91STDφ26.7×2.8740φ26.7×2.87XSφ26.7×3.9180φ26.7×3.91160φ26.7×5.56XXSφ26.7×7.825Sφ33.4×1.6510Sφ33.4×2.7740Sφ33.4×3.3880Sφ33.4×4.55STDφ33.4×3.3840φ33.4×3.38XSφ33.4×4.5580φ33.4×4.55160φ33.4×6.35XXSφ33.4×9.095Sφ42.2×1.6510Sφ42.2×2.7740Sφ42.2×3.5680Sφ42.2×4.85STDφ42.2×3.5640φ42.2×3.56XSφ42.2×4.8580φ42.2×4.85160φ42.2×6.35XXSφ42.2×9.705Sφ48.3×1.6510Sφ48.3×2.7740Sφ48.3×3.6880Sφ48.3×5.08美标管子规格对照表英制INCH3/8"1"25321 1/4"32381/2"15183/4"2025STDφ48.3×3.6840φ48.3×3.68XSφ48.3×5.0880φ48.3×5.08160φ48.3×7.14XXSφ48.3×10.155Sφ60.3×1.6510Sφ60.3×2.7740Sφ60.3×3.9180Sφ60.3×5.54STDφ60.3×3.9140φ60.3×3.91XSφ60.3×5.5480φ60.3×5.54160φ60.3×8.74XXSφ60.3×11.075Sφ73.0×2.1110Sφ73.0×3.0540Sφ73.0×5.1680Sφ73.0×7.01STDφ73.0×5.1640φ73.0×5.16XSφ73.0×7.0180φ73.0×7.01160φ73.0×9.53XXSφ73.0×14.025Sφ88.9×2.1110Sφ88.9×3.0540Sφ88.9×5.4980Sφ88.9×7.62STDφ88.9×5.4940φ88.9×5.49XSφ88.9×7.6280φ88.9×7.62160φ88.9×11.13XXSφ88.9×15.245Sφ114.3×2.1110Sφ114.3×3.0540Sφ114.3×6.0280Sφ114.3×8.56STDφ114.3×6.0240φ114.3×6.02XSφ114.3×8.5680φ114.3×8.56120φ114.3×11.13160φ114.3×13.49XXSφ114.3×17.125Sφ141.3×2.7710Sφ141.3×3.4040Sφ141.3×6.5580Sφ141.3×9.53STDφ141.3×6.5540φ141.3×6.55XSφ141.3×9.532 1/2"65733"80891 1/2"40452"50574"1001085"12513380φ141.3×9.53120φ141.3×12.70160φ141.3×15.88XXSφ141.3×19.055Sφ168.3×2.7710Sφ168.3×3.4040Sφ168.3×7.1180Sφ168.3×10.97STDφ168.3×7.1140φ168.3×7.11XSφ168.3×10.9780φ168.3×10.97120φ168.3×14.27160φ168.3×18.26XXSφ168.3×21.955Sφ219.1×2.7710Sφ219.1×3.7640S...
