国标镀锌管规格格规焊管（ 6 米定尺） 镀锌管（ 6 米定尺）外径 mm公称内壁厚 mm 最小壁厚 mm英寸米重 kg 根重 kg 米重 kg 根重 kg径1/21.3571.287.682.452.821.38.14DN153/41.7626.92.452.81.6610.569.96DN203.22.55415.3212.814.462.4133.7DN2520.163.063.51.2542.43.363.5621.36DN323.061.523.2248.33.54.103.8724.60DN4025.293.860.331.745.6073.32533.64DN502.57.53676.14.07.113.5DN6542.6645.218.8834.050.2853.2888.98.38DN804.065.2869.1810.88114.311.534DN10098.6515.94290.2414015.044.55DN125618.18109.27168.319.27115.624.5DN1506.0 （焊DN200 8 219.1 31.53 189.18管）6.5 （热DN200 8 219.1 36.12 216.72镀锌）。