公称直径(mm)DN钢管外径*壁厚(mm)外护管外径*壁厚(mm)保温层厚度(mm)管重量(kg/m)2026.9*2.890*2.229.41.72533.7*3.290*2.226.02.43242.4*3.5110*2.231.63.44048.3*3.5110*2.228.73.95060.0*3.5140*3.037.04.97076.0*4.0140*3.029.07.18089.0*4.0160*3.032.58.4100108.0*4.5200*3.242.811.5125133.0*4.5225*3.542.514.3150159.0*5.0250*3.941.619.0200219.0*6.0315*4.943.131.5250273.0*6.0365*5.640.439.5300325.0*7.0420*7.040.554.9350377.0*7.0500*7.853.763.9400426.0*7.0550*8.853.272.3450478.0*7.0600*8.852.281.3500529.0*8.0655*.9853.2102.8600630.0*8.0760*11.054.0122.7700720.0*10.0850*12.053.0175.1800820.0*10.0955*14.053.5199.8900920.0*10.01054*14.053.0224.410001020.0*12.01155*15.052.5298.312001220.0*14.01370*17.058.0416.4
2004-07-20