镀锌管按GB/T3091—2015标准执行)

镀锌管米重计算方法：0.02466*壁厚*（外径-壁厚）*1.06

公称内径 英寸 外径mm 壁厚mm

DN15          1/2            21.3         2.8

DN20          3/4            26.9         2.8

DN25           1             33.7         3.2

DN32           1.25           42.4         3.5

DN40           1.5            48.3         3.5

DN50           2              60.3         3.8

DN65           2.5            76.1         4.0

DN80           3              88.9         4.0

DN100          4              114.3        4.0

DN125          5              140          4.5

DN150          6              168.3         4.5

DN200          8              219.1         6.0