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常用镀锌管规格表最小壁规格外径壁厚焊管(6米定尺)镀锌管(6米定尺)厚公称内米重英寸mmmmmm根重kg米重kg根重kg径kgDN151/221.32.82.45DN203/426.92.82.451.669.961.7610.56DN25133.73.22.82.4114.462.55415.32DN3211/442.43.53.063.3620.163.5621.36DN4011/248.33.53.063.8723.224.124.6DN50260.33.83.3255.2931.745.60733.64DN65211276.143.57.1142.667.53645.21DN80388.948.3850.288.8853.28DN1004114.3410.8865.2811.5369.18DN12551404.515.0490.2415.94298.65DN1506168.34.518.18109.0819.27115.62DN2008219.16.0(焊管)31.53189.18DN2008219.16.5(热镀锌)36.12216.7