常用管材(钢管)规格表

公称直径DNDN15DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150DN200DN250DN300DN350DN400DN450DN500DN600焊接钢管(普通)焊接钢管(加厚)无缝钢管（热轧）GB3091-82GB83092-82GB8163-87压力pg≤1.0Mpa压力pg≤1.6Mpa压力pg≤2.5MpaD×∮V M3/100mD×∮V M3/100mD×∮V M3/100m21.3*2.750.0221.3*3.250.01726.8*2.750.03626.8*3.50.03133.5*3.250.05733.5*40.05132*3.50.04942.3*3.250.142.3*40.09238*3.50.07548*3.50.013248*4.250.1245*3.50.1160*3.50.2260*4.50.257*3.50.275.5*3.750.3675.5*4.50.3573*40.3388.5*40.5188.5*4.750.4989*40.52114*40.88114*50.85108*40.79140*4.51.35140*4.51.35133*41.23165*4.51.91165*5.51.86159*4.51.76219*63.36273*85.18325*87.49377*910.12426*913.07480*916.76530*920.58630*929.4螺旋电焊钢管压力pg≤1.6MpaD×∮V M3/100m168*5219*5273*7325*7377*7426*7478*7529*7630*71.963.435.277.5910.3413.3216.920.8229.79