4分管外径21.3,6分管外径26.9,1寸管外径33.7.
焊管和镀锌管标准
发布时间:2009-2-115:02:10
焊管及镀锌管重量表(按GB/T3091—2001焊管和镀锌管标准执行)
焊管及镀锌管规格外径mm壁厚mm最小壁厚mm焊管（6米定尺）镀锌管(6米定尺）
米重kg根重kg米重kg根重kg
公称内径英寸
DN151/221.32.82.451.287.681.3578.14
DN203/426.92.82.451.669.961.7610.56
DN25133.73.22.82.4114.462.55415.32
DN321.2542.43.53.063.3620.163.5621.36
DN401.548.33.53.063.8723.224.1024.60
DN50260.33.83.3255.2931.745.60733.64
DN652.576.14.03.57.1142.667.53645.21
DN80388.94.08.3850.288.8853.28
DN1004114.34.010.8865.2811.5369.18
DN12551404.515.0490.2415.94298.65
DN1506168.34.518.18109.0819.27115.62
DN2008219.16.0（焊管）
31.53189.18
DN2008219.16.5（热镀锌）36.12216.72
来源：中国钢管信息港信息中心
