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镀锌管尺寸规格表序号1234567891011121314规格公称内径DN15镀锌管DN20镀锌管DN25镀锌管DN32镀锌管DN40镀锌管DN50镀锌管DN65镀锌管DN80镀锌管DN100镀锌管DN125镀锌管DN150镀锌管DN200镀锌管DN200镀锌管英寸(1/2)(3/4)11.251.522.5345688外径mm21.326.933.742.448.360.376.188.9114.3140168.3219.1219.1壁厚2.82.83.23.53.53.84444.54.56（焊管）热镀锌6.536.12216.7最小壁厚2.452.452.83.063.063.3253.5镀锌管6米定尺米重kg1.351.762.5543.564.15.6077.5368.8811.5315.94219.27根重kg8.1410.5615.3221.3624.633.6445.2153.2869.1898.65115.62焊接管6米定尺米重kg1.281.662.413.363.875.297.118.3810.8815.0418.1831.53根重kg7.689.9614.4620.1623.2231.7442.6650.2865.2890.24109.08189.18