精品文献
管道国标
国标常用公称压力管道壁厚表
PN DN 材料 Kg/cm2 10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 ≤16 2.5 3 3 3 3 3.5 3.5 4 4 4 4 4.6 5 6 7 7 8 8 8 9 20# 25 2.5 3 3 3 3 3.5 3.5 4 4 4 4 4.6 5 6 7 7 8 8 9 10 12CrMo 40 2.5 3 3 3 3 3.5 3.5 4 4 4.5 5 5.5 7 8 9 10 11 12 13 15 15CrMo 64 3 3 3.5 3.5 3.5 3.5 4 4.5 5 6 7 8 9 11 12 14 16 18 19 22 12CrMoV 100 3 3.5 4 4 4.5 4.5 5 6 7 8 9 10 13 15 18 20 160 4 4.5 5 5 6 6
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
