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管道国标尺寸对照表
美标-国标管道尺寸对照表
公制 (外径 *壁厚） mm 国标（DN）mm 国标外径（ mm) 备注 10S φ17.1×1.65 40S φ17.1×2.31 80S φ17.1×3.20 STD φ17.1×2.31 40 φ17.1×2.31 XS φ17.1×3.20 80 φ17.1×3.20 5S φ21.3×1.65 10S φ21.3×2.11 40S φ21.3×2.77 80S φ21.3×3.73 STD φ21.3×2.77 40 φ21.3×2.77 XS φ21.3×3.73 80 φ21.3×3.73 160 φ21.3×4.78 XXS φ21.3×7.47 5S φ26.7×1.65 10S φ26.7×2.11 40S φ26.7×2.87 80S φ26.7×3.91 STD φ26.7×2.87 40 φ26.7×2.87 XS φ26.7×3.91 80 φ26.7×3.91
钢管美标尺寸对照表
Nominal External diameter diameter in in inches millimeters mm Kg/m mm Kg/m mm Kg/m mm 1/8" 10.29 - - 1.24 0.281 1.73 371 2.41 1/4" 13.72 - - 1.65 0.499 2.24 0.644 3.02 3/8" 17.15 - - 1.65 0.64 2.31 0.858 3.2 1/2" 21.34 1.65 0.814 2.11 1.016 2.77 1.26 3.73 3/4" 26.67 1.65 1.034 2.11 1.298 2.87 1.68 3.91 1" 33.4 1.65 1.312 2.77 2.125 3.338 2.5 4.55 11/4" 42.16 1.65 1.674 2.77 2.732 3.56 3.38 4.85 1